<|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 4.2 5.1
90 90 90
Be
0.00 0.00 0.00
Pt
0.42 0.08 0.00
Pt
0.00 0.08 0.56
Cl
0.42 0.00 0.56
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 4.2 5.1
90 90 90
Be
0.00 0.00 0.00
Pt
0.42 0.08 0.00
Pt
0.00 0.08 0.56
Cl
0.42 0.00 0.56
Identify the crystal system.