<|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:
4.7 4.7 4.7
147 134 57
Nb
0.00 0.00 0.51
Fe
0.00 0.00 0.19
Ni
0.00 0.00 0.83
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.7 4.7 4.7
147 134 57
Nb
0.00 0.00 0.51
Fe
0.00 0.00 0.19
Ni
0.00 0.00 0.83
Identify the crystal system.