<|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:
6.8 5.9 3.9
85 60 34
Cu
0.00 0.00 0.00
O
0.37 0.63 0.92
O
0.37 0.63 0.57
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.8 5.9 3.9
85 60 34
Cu
0.00 0.00 0.00
O
0.37 0.63 0.92
O
0.37 0.63 0.57
Identify the crystal system.