<|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:
4.0 4.0 4.7
90 90 119
Na
0.00 0.00 0.00
Si
0.00 0.31 0.37
Pt
0.00 0.16 0.37
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.0 4.0 4.7
90 90 119
Na
0.00 0.00 0.00
Si
0.00 0.31 0.37
Pt
0.00 0.16 0.37
Identify the crystal system.