<|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:
3.4 4.1 7.9
90 90 90
Sr
0.00 0.00 0.83
Zr
0.72 0.04 0.45
Zr
0.00 0.00 0.04
Sn
0.72 0.04 0.60
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.4 4.1 7.9
90 90 90
Sr
0.00 0.00 0.83
Zr
0.72 0.04 0.45
Zr
0.00 0.00 0.04
Sn
0.72 0.04 0.60
Identify the crystal system.