<|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 9.1
90 90 90
Tc
0.00 0.00 0.00
Ag
0.49 0.49 0.95
Ag
0.49 0.49 0.15
Bi
0.00 0.00 0.55
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.0 3.0 9.1
90 90 90
Tc
0.00 0.00 0.00
Ag
0.49 0.49 0.95
Ag
0.49 0.49 0.15
Bi
0.00 0.00 0.55
Identify the crystal system.