<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following CIF representation:
data_PbC7N10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.87
_cell_length_b   5.71
_cell_length_c   8.18
_cell_angle_alpha   90.0
_cell_angle_beta   106.42
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PbC7N10
_chemical_formula_sum   'Pb2 C14 N20'
_cell_volume   263.06
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Pb  Pb0  1  0.1  0.62  0.3  1.0
  Pb  Pb1  1  0.25  0.09  0.37  1.0
  C  C2  1  0.25  0.56  0.49  1.0
  C  C3  1  0.41  0.14  0.57  1.0
  C  C4  1  0.07  0.17  0.17  1.0
  C  C5  1  0.91  0.54  0.09  1.0
  C  C6  1  0.48  0.23  0.58  1.0
  C  C7  1  0.32  0.48  0.5  1.0
  C  C8  1  0.6  0.1  0.77  1.0
  C  C9  1  0.76  0.61  0.84  1.0
  C  C10  1  0.07  0.59  0.35  1.0
  C  C11  1  0.22  0.12  0.42  1.0
  C  C12  1  0.69  0.55  0.96  1.0
  C  C13  1  0.85  0.16  0.03  1.0
  C  C14  1  0.25  0.15  0.39  1.0
  C  C15  1  0.41  0.55  0.46  1.0
  N  N16  1  0.46  0.82  0.55  1.0
  N  N17  1  0.62  0.89  0.62  1.0
  N  N18  1  0.1  0.73  0.67  1.0
  N  N19  1  0.25  0.98  0.75  1.0
  N  N20  1  0.87  0.98  0.82  1.0
  N  N21  1  0.03  0.72  0.89  1.0
  N  N22  1  0.89  0.96  0.11  1.0
  N  N23  1  0.73  0.75  0.03  1.0
  N  N24  1  1.0  0.88  0.69  1.0
  N  N25  1  0.15  0.82  0.77  1.0
  N  N26  1  0.04  0.67  0.3  1.0
  N  N27  1  0.19  0.04  0.37  1.0
  N  N28  1  0.9  0.27  0.98  1.0
  N  N29  1  0.74  0.44  0.9  1.0
  N  N30  1  0.3  0.35  0.37  1.0
  N  N31  1  0.45  0.35  0.45  1.0
  N  N32  1  0.22  0.36  0.45  1.0
  N  N33  1  0.38  0.34  0.53  1.0
  N  N34  1  0.87  0.08  0.17  1.0
  N  N35  1  0.71  0.63  0.1  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_PbC7N10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.87
_cell_length_b   5.71
_cell_length_c   8.18
_cell_angle_alpha   90.0
_cell_angle_beta   106.42
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PbC7N10
_chemical_formula_sum   'Pb2 C14 N20'
_cell_volume   263.06
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Pb  Pb0  1  0.1  0.62  0.3  1.0
  Pb  Pb1  1  0.25  0.09  0.37  1.0
  C  C2  1  0.25  0.56  0.49  1.0
  C  C3  1  0.41  0.14  0.57  1.0
  C  C4  1  0.07  0.17  0.17  1.0
  C  C5  1  0.91  0.54  0.09  1.0
  C  C6  1  0.48  0.23  0.58  1.0
  C  C7  1  0.32  0.48  0.5  1.0
  C  C8  1  0.6  0.1  0.77  1.0
  C  C9  1  0.76  0.61  0.84  1.0
  C  C10  1  0.07  0.59  0.35  1.0
  C  C11  1  0.22  0.12  0.42  1.0
  C  C12  1  0.69  0.55  0.96  1.0
  C  C13  1  0.85  0.16  0.03  1.0
  C  C14  1  0.25  0.15  0.39  1.0
  C  C15  1  0.41  0.55  0.46  1.0
  N  N16  1  0.46  0.82  0.55  1.0
  N  N17  1  0.62  0.89  0.62  1.0
  N  N18  1  0.1  0.73  0.67  1.0
  N  N19  1  0.25  0.98  0.75  1.0
  N  N20  1  0.87  0.98  0.82  1.0
  N  N21  1  0.03  0.72  0.89  1.0
  N  N22  1  0.89  0.96  0.11  1.0
  N  N23  1  0.73  0.75  0.03  1.0
  N  N24  1  1.0  0.88  0.69  1.0
  N  N25  1  0.15  0.82  0.77  1.0
  N  N26  1  0.04  0.67  0.3  1.0
  N  N27  1  0.19  0.04  0.37  1.0
  N  N28  1  0.9  0.27  0.98  1.0
  N  N29  1  0.74  0.44  0.9  1.0
  N  N30  1  0.3  0.35  0.37  1.0
  N  N31  1  0.45  0.35  0.45  1.0
  N  N32  1  0.22  0.36  0.45  1.0
  N  N33  1  0.38  0.34  0.53  1.0
  N  N34  1  0.87  0.08  0.17  1.0
  N  N35  1  0.71  0.63  0.1  1.0

What is the crystal system of this material?