<|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:
6.1 6.1 6.1
140 134 61
Ca
0.00 0.00 0.89
Ag
0.07 0.00 0.04
Sb
0.07 0.00 0.17
Sb
0.00 0.00 0.64
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.1 6.1 6.1
140 134 61
Ca
0.00 0.00 0.89
Ag
0.07 0.00 0.04
Sb
0.07 0.00 0.17
Sb
0.00 0.00 0.64
Identify the crystal system.