<|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:
5.7 5.7 5.7
132 132 69
Ca
0.00 0.28 0.32
Ca
0.28 0.00 0.32
Nb
0.00 0.00 0.00
Au
0.00 0.00 0.65
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.7 5.7 5.7
132 132 69
Ca
0.00 0.28 0.32
Ca
0.28 0.00 0.32
Nb
0.00 0.00 0.00
Au
0.00 0.00 0.65
Identify the crystal system.