<|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:
5.4 5.4 5.4
90 90 90
Rb
0.70 0.70 0.70
Ni
0.00 0.00 0.00
Bi
0.00 0.70 0.00
Bi
0.00 0.00 0.70
Bi
0.70 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.4 5.4 5.4
90 90 90
Rb
0.70 0.70 0.70
Ni
0.00 0.00 0.00
Bi
0.00 0.70 0.00
Bi
0.00 0.00 0.70
Bi
0.70 0.00 0.00
Identify the crystal system.