<|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:
7.8 7.8 7.8
149 136 54
K
0.00 0.00 0.10
K
0.05 0.00 0.49
Na
0.00 0.00 0.03
Au
0.00 0.92 0.32
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.8 7.8 7.8
149 136 54
K
0.00 0.00 0.10
K
0.05 0.00 0.49
Na
0.00 0.00 0.03
Au
0.00 0.92 0.32
Identify the crystal system.