<|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:
4.9 4.9 3.0
90 90 100
Al
0.56 0.12 0.50
Al
0.56 0.88 0.50
As
0.00 0.00 0.00
Au
0.12 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 3.0
90 90 100
Al
0.56 0.12 0.50
Al
0.56 0.88 0.50
As
0.00 0.00 0.00
Au
0.12 0.00 0.00
Identify the crystal system.