<|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 4.5
90 90 90
Tl
0.43 0.43 0.00
Cu
0.00 0.00 0.00
Te
0.00 0.43 0.27
Te
0.43 0.00 0.27
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 4.5
90 90 90
Tl
0.43 0.43 0.00
Cu
0.00 0.00 0.00
Te
0.00 0.43 0.27
Te
0.43 0.00 0.27
Identify the crystal system.