<|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:
2.7 3.9 5.0
90 90 90
Li
0.00 0.00 0.75
Cr
0.33 0.96 0.57
Os
0.33 0.96 0.93
Os
0.00 0.00 0.25
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.7 3.9 5.0
90 90 90
Li
0.00 0.00 0.75
Cr
0.33 0.96 0.57
Os
0.33 0.96 0.93
Os
0.00 0.00 0.25
Identify the crystal system.