<|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:
2.9 2.9 6.5
90 90 115
Nb
0.00 0.00 0.71
B
0.00 0.00 0.99
B
0.58 0.00 0.40
Au
0.58 0.00 0.27
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.9 2.9 6.5
90 90 115
Nb
0.00 0.00 0.71
B
0.00 0.00 0.99
B
0.58 0.00 0.40
Au
0.58 0.00 0.27
Identify the crystal system.