<|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 3.4 8.4
90 90 123
Sn
0.00 0.00 0.21
B
0.00 0.00 0.00
As
0.59 0.00 0.01
As
0.59 0.00 0.41
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.4 3.4 8.4
90 90 123
Sn
0.00 0.00 0.21
B
0.00 0.00 0.00
As
0.59 0.00 0.01
As
0.59 0.00 0.41
Identify the crystal system.