<|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 4.9 5.5
90 101 90
Ta
0.00 0.00 0.00
Re
0.88 0.00 0.69
Hg
0.70 0.43 0.37
Hg
0.06 0.43 0.01
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 4.9 5.5
90 101 90
Ta
0.00 0.00 0.00
Re
0.88 0.00 0.69
Hg
0.70 0.43 0.37
Hg
0.06 0.43 0.01
Identify the crystal system.