<|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:
2.8 3.9 5.6
90 90 90
Ir
0.00 0.00 0.00
Ru
0.38 0.95 0.29
Ru
0.38 0.95 0.32
Au
0.00 0.00 0.81
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 3.9 5.6
90 90 90
Ir
0.00 0.00 0.00
Ru
0.38 0.95 0.29
Ru
0.38 0.95 0.32
Au
0.00 0.00 0.81
Identify the crystal system.