<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following crystal representation:
5.3 5.3 5.3
116 116 116
Pt
0.00 0.58 0.99
Pt
0.76 0.71 0.99
Pt
0.24 0.71 0.99
Br
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.3 5.3 5.3
116 116 116
Pt
0.00 0.58 0.99
Pt
0.76 0.71 0.99
Pt
0.24 0.71 0.99
Br
0.00 0.00 0.00
Identify the crystal system.