<|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 2.8 9.9
90 90 119
Li
0.00 0.00 0.00
Hg
0.00 0.00 0.96
Pt
0.41 0.00 0.16
Pt
0.41 0.00 0.75
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 2.8 9.9
90 90 119
Li
0.00 0.00 0.00
Hg
0.00 0.00 0.96
Pt
0.41 0.00 0.16
Pt
0.41 0.00 0.75
Identify the crystal system.