<|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 2.7 7.7
90 90 90
Mn
0.33 0.33 0.94
Mn
0.33 0.33 0.76
Tc
0.00 0.00 0.00
Ag
0.00 0.00 0.85
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.7 2.7 7.7
90 90 90
Mn
0.33 0.33 0.94
Mn
0.33 0.33 0.76
Tc
0.00 0.00 0.00
Ag
0.00 0.00 0.85
Identify the crystal system.