<|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 4.7 4.7
67 90 90
Zn
0.24 0.00 0.32
Cu
0.00 0.00 0.53
Sb
0.24 0.00 0.03
Sb
0.00 0.00 0.72
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.5 4.7 4.7
67 90 90
Zn
0.24 0.00 0.32
Cu
0.00 0.00 0.53
Sb
0.24 0.00 0.03
Sb
0.00 0.00 0.72
Identify the crystal system.