<|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
98 98 34
Tc
0.00 0.00 0.00
Ir
0.79 0.00 0.09
Ir
0.85 0.00 0.77
Pb
0.32 0.00 0.43
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 4.9
98 98 34
Tc
0.00 0.00 0.00
Ir
0.79 0.00 0.09
Ir
0.85 0.00 0.77
Pb
0.32 0.00 0.43
Identify the crystal system.