<|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:
3.9 3.1 5.0
90 109 90
B
0.00 0.00 0.00
Pt
0.19 0.53 0.74
Pt
0.03 0.53 0.99
Rh
0.17 0.00 0.36
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.9 3.1 5.0
90 109 90
B
0.00 0.00 0.00
Pt
0.19 0.53 0.74
Pt
0.03 0.53 0.99
Rh
0.17 0.00 0.36
Identify the crystal system.