<|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:
4.0 4.9 5.5
90 106 90
Mn
0.90 0.00 0.88
Pb
0.09 0.44 0.33
Se
0.16 0.00 0.86
Se
0.95 0.44 0.07
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.0 4.9 5.5
90 106 90
Mn
0.90 0.00 0.88
Pb
0.09 0.44 0.33
Se
0.16 0.00 0.86
Se
0.95 0.44 0.07
Identify the crystal system.