<|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:
3.0 3.7 5.6
90 90 90
Ta
0.51 0.84 0.21
Ta
0.51 0.84 0.41
Cu
0.00 0.00 0.00
Ru
0.00 0.00 0.81
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.0 3.7 5.6
90 90 90
Ta
0.51 0.84 0.21
Ta
0.51 0.84 0.41
Cu
0.00 0.00 0.00
Ru
0.00 0.00 0.81
Identify the crystal system.