<|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:
3.0 3.0 5.1
90 90 90
Si
0.00 0.00 0.00
B
0.51 0.51 0.30
B
0.51 0.51 0.80
Au
0.00 0.00 0.55
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.0 3.0 5.1
90 90 90
Si
0.00 0.00 0.00
B
0.51 0.51 0.30
B
0.51 0.51 0.80
Au
0.00 0.00 0.55
Identify the crystal system.