<|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:
3.3 3.3 7.1
90 90 119
Sr
0.00 0.91 0.90
Nb
0.65 0.95 0.90
Cr
0.00 0.00 0.35
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.3 3.3 7.1
90 90 119
Sr
0.00 0.91 0.90
Nb
0.65 0.95 0.90
Cr
0.00 0.00 0.35
Identify the crystal system.