<|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:
4.4 4.4 3.1
90 90 90
Cr
0.00 0.00 0.00
Ga
0.21 0.21 0.00
Pt
0.21 0.00 0.56
Pt
0.00 0.21 0.56
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.4 4.4 3.1
90 90 90
Cr
0.00 0.00 0.00
Ga
0.21 0.21 0.00
Pt
0.21 0.00 0.56
Pt
0.00 0.21 0.56
Identify the crystal system.