<|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:
3.5 3.5 7.2
90 90 126
Sn
0.00 0.00 0.62
B
0.00 0.00 0.00
Pt
0.58 0.00 0.36
Pt
0.58 0.00 0.89
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.5 3.5 7.2
90 90 126
Sn
0.00 0.00 0.62
B
0.00 0.00 0.00
Pt
0.58 0.00 0.36
Pt
0.58 0.00 0.89
Identify the crystal system.