<|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:
4.5 4.5 4.5
59 59 59
Ag
0.15 0.15 0.15
Os
0.57 0.57 0.57
Br
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.5 4.5 4.5
59 59 59
Ag
0.15 0.15 0.15
Os
0.57 0.57 0.57
Br
0.00 0.00 0.00
Identify the crystal system.