<|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:
6.7 6.7 6.0
90 90 144
Sb
0.02 0.23 0.47
Sb
0.02 0.33 0.47
Sb
0.02 0.67 0.49
Sb
0.02 0.77 0.49
Au
0.02 0.92 0.47
Au
0.02 0.08 0.49
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.7 6.7 6.0
90 90 144
Sb
0.02 0.23 0.47
Sb
0.02 0.33 0.47
Sb
0.02 0.67 0.49
Sb
0.02 0.77 0.49
Au
0.02 0.92 0.47
Au
0.02 0.08 0.49
Identify the crystal system.