<|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:
4.9 4.9 4.4
92 92 36
B
0.19 0.00 0.61
B
0.77 0.00 0.13
B
0.26 0.00 0.59
B
0.52 0.00 0.10
Pt
0.36 0.00 0.87
Pt
0.74 0.00 0.20
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 4.4
92 92 36
B
0.19 0.00 0.61
B
0.77 0.00 0.13
B
0.26 0.00 0.59
B
0.52 0.00 0.10
Pt
0.36 0.00 0.87
Pt
0.74 0.00 0.20
Identify the crystal system.