<|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_Sr4MgFe2(SO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.94
_cell_length_b   3.94
_cell_length_c   16.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr4MgFe2(SO3)2
_chemical_formula_sum   'Sr4 Mg1 Fe2 S2 O6'
_cell_volume   251.38
_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
  Sr  Sr0  1  0.97  0.0  0.09  1.0
  Sr  Sr1  1  0.0  0.97  0.09  1.0
  Sr  Sr2  1  0.97  0.0  0.69  1.0
  Sr  Sr3  1  0.0  0.97  0.49  1.0
  Mg  Mg4  1  0.0  0.0  0.0  1.0
  Fe  Fe5  1  0.0  0.97  0.06  1.0
  Fe  Fe6  1  0.97  0.0  0.12  1.0
  S  S7  1  0.0  0.97  0.54  1.0
  S  S8  1  0.97  0.0  0.64  1.0
  O  O9  1  0.97  0.97  0.73  1.0
  O  O10  1  0.0  0.0  0.71  1.0
  O  O11  1  0.0  0.0  0.47  1.0
  O  O12  1  0.97  0.97  0.45  1.0
  O  O13  1  0.0  0.97  0.98  1.0
  O  O14  1  0.97  0.0  0.2  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Sr4MgFe2(SO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.94
_cell_length_b   3.94
_cell_length_c   16.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr4MgFe2(SO3)2
_chemical_formula_sum   'Sr4 Mg1 Fe2 S2 O6'
_cell_volume   251.38
_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
  Sr  Sr0  1  0.97  0.0  0.09  1.0
  Sr  Sr1  1  0.0  0.97  0.09  1.0
  Sr  Sr2  1  0.97  0.0  0.69  1.0
  Sr  Sr3  1  0.0  0.97  0.49  1.0
  Mg  Mg4  1  0.0  0.0  0.0  1.0
  Fe  Fe5  1  0.0  0.97  0.06  1.0
  Fe  Fe6  1  0.97  0.0  0.12  1.0
  S  S7  1  0.0  0.97  0.54  1.0
  S  S8  1  0.97  0.0  0.64  1.0
  O  O9  1  0.97  0.97  0.73  1.0
  O  O10  1  0.0  0.0  0.71  1.0
  O  O11  1  0.0  0.0  0.47  1.0
  O  O12  1  0.97  0.97  0.45  1.0
  O  O13  1  0.0  0.97  0.98  1.0
  O  O14  1  0.97  0.0  0.2  1.0

What is the crystal system of this material?