<|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:
2.9 4.2 5.3
90 103 90
Li
0.18 0.00 0.48
Cu
0.11 0.00 0.09
Cu
0.94 0.10 0.25
Sn
0.68 0.10 0.94
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.9 4.2 5.3
90 103 90
Li
0.18 0.00 0.48
Cu
0.11 0.00 0.09
Cu
0.94 0.10 0.25
Sn
0.68 0.10 0.94
Identify the crystal system.