<|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:
3.7 3.9 4.7
90 108 90
Be
0.21 0.94 0.01
Be
0.12 0.00 0.09
Zn
0.41 0.00 0.75
Bi
0.36 0.94 0.90
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.7 3.9 4.7
90 108 90
Be
0.21 0.94 0.01
Be
0.12 0.00 0.09
Zn
0.41 0.00 0.75
Bi
0.36 0.94 0.90
Identify the crystal system.