<|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:
6.0 6.0 6.0
28 28 28
Fe
0.00 0.00 0.00
Cu
0.00 0.00 0.62
O
0.00 0.00 0.44
O
0.00 0.00 0.80
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.0 6.0 6.0
28 28 28
Fe
0.00 0.00 0.00
Cu
0.00 0.00 0.62
O
0.00 0.00 0.44
O
0.00 0.00 0.80
Identify the crystal system.