<|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 4.7 5.4
90 90 90
Tl
0.20 0.34 0.37
Tl
0.74 0.34 0.06
Re
0.00 0.00 0.00
Ir
0.47 0.00 0.72
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.0 4.7 5.4
90 90 90
Tl
0.20 0.34 0.37
Tl
0.74 0.34 0.06
Re
0.00 0.00 0.00
Ir
0.47 0.00 0.72
Identify the crystal system.