<|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:
2.8 3.7 6.6
90 90 90
Ag
0.00 0.00 0.19
Hg
0.41 0.86 0.96
Os
0.00 0.00 0.31
Os
0.41 0.86 0.40
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 3.7 6.6
90 90 90
Ag
0.00 0.00 0.19
Hg
0.41 0.86 0.96
Os
0.00 0.00 0.31
Os
0.41 0.86 0.40
Identify the crystal system.