<|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 3.7 6.9
90 90 130
La
0.56 0.00 0.75
Si
0.00 0.00 0.07
B
0.56 0.00 0.53
B
0.00 0.00 0.99
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.7 3.7 6.9
90 90 130
La
0.56 0.00 0.75
Si
0.00 0.00 0.07
B
0.56 0.00 0.53
B
0.00 0.00 0.99
Identify the crystal system.