<|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 7.7
90 90 90
Ga
0.44 0.44 0.25
Ga
0.00 0.00 0.94
Co
0.00 0.00 0.91
Au
0.44 0.44 0.05
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.9 2.9 7.7
90 90 90
Ga
0.44 0.44 0.25
Ga
0.00 0.00 0.94
Co
0.00 0.00 0.91
Au
0.44 0.44 0.05
Identify the crystal system.