<|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_La4Mn3NiO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.59
_cell_length_b   5.61
_cell_length_c   7.88
_cell_angle_alpha   89.82
_cell_angle_beta   89.64
_cell_angle_gamma   89.46
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La4Mn3NiO12
_chemical_formula_sum   'La4 Mn3 Ni1 O12'
_cell_volume   246.69
_cell_formula_units_Z   1
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
  La  La0  1  0.6  0.98  0.99  1.0
  La  La1  1  0.88  0.2  0.0  1.0
  La  La2  1  0.08  0.65  0.89  1.0
  La  La3  1  0.8  0.43  0.88  1.0
  Mn  Mn4  1  0.0  0.0  0.0  1.0
  Mn  Mn5  1  0.82  0.8  0.0  1.0
  Mn  Mn6  1  0.02  0.01  0.94  1.0
  Ni  Ni7  1  0.84  0.81  0.94  1.0
  O  O8  1  0.54  0.53  0.04  1.0
  O  O9  1  0.4  0.73  0.91  1.0
  O  O10  1  0.15  0.1  0.84  1.0
  O  O11  1  0.29  0.9  0.96  1.0
  O  O12  1  0.15  0.41  0.61  1.0
  O  O13  1  0.37  0.59  0.35  1.0
  O  O14  1  0.55  0.2  0.52  1.0
  O  O15  1  0.25  0.09  0.29  1.0
  O  O16  1  0.54  0.21  0.27  1.0
  O  O17  1  0.32  0.04  0.53  1.0
  O  O18  1  0.13  0.43  0.36  1.0
  O  O19  1  0.44  0.54  0.59  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_La4Mn3NiO12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.59
_cell_length_b   5.61
_cell_length_c   7.88
_cell_angle_alpha   89.82
_cell_angle_beta   89.64
_cell_angle_gamma   89.46
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La4Mn3NiO12
_chemical_formula_sum   'La4 Mn3 Ni1 O12'
_cell_volume   246.69
_cell_formula_units_Z   1
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
  La  La0  1  0.6  0.98  0.99  1.0
  La  La1  1  0.88  0.2  0.0  1.0
  La  La2  1  0.08  0.65  0.89  1.0
  La  La3  1  0.8  0.43  0.88  1.0
  Mn  Mn4  1  0.0  0.0  0.0  1.0
  Mn  Mn5  1  0.82  0.8  0.0  1.0
  Mn  Mn6  1  0.02  0.01  0.94  1.0
  Ni  Ni7  1  0.84  0.81  0.94  1.0
  O  O8  1  0.54  0.53  0.04  1.0
  O  O9  1  0.4  0.73  0.91  1.0
  O  O10  1  0.15  0.1  0.84  1.0
  O  O11  1  0.29  0.9  0.96  1.0
  O  O12  1  0.15  0.41  0.61  1.0
  O  O13  1  0.37  0.59  0.35  1.0
  O  O14  1  0.55  0.2  0.52  1.0
  O  O15  1  0.25  0.09  0.29  1.0
  O  O16  1  0.54  0.21  0.27  1.0
  O  O17  1  0.32  0.04  0.53  1.0
  O  O18  1  0.13  0.43  0.36  1.0
  O  O19  1  0.44  0.54  0.59  1.0

What is the crystal system of this material?