<|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:
3.5 3.5 6.5
90 90 90
Zr
0.73 0.73 0.71
Zr
0.73 0.73 0.81
Mo
0.00 0.00 0.26
Se
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.5 3.5 6.5
90 90 90
Zr
0.73 0.73 0.71
Zr
0.73 0.73 0.81
Mo
0.00 0.00 0.26
Se
0.00 0.00 0.00
Identify the crystal system.