<|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:
3.5 3.5 7.4
90 90 90
Sc
0.00 0.00 0.91
Bi
0.74 0.74 0.68
Au
0.74 0.74 0.33
Au
0.00 0.00 0.53
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.5 3.5 7.4
90 90 90
Sc
0.00 0.00 0.91
Bi
0.74 0.74 0.68
Au
0.74 0.74 0.33
Au
0.00 0.00 0.53
Identify the crystal system.