<|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:
4.9 4.9 4.9
129 129 73
Ag
0.09 0.00 0.98
Ag
0.00 0.00 0.95
Ir
0.00 0.09 0.98
Se
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 4.9
129 129 73
Ag
0.09 0.00 0.98
Ag
0.00 0.00 0.95
Ir
0.00 0.09 0.98
Se
0.00 0.00 0.00
Identify the crystal system.