<|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:
3.3 4.2 6.1
90 90 90
Na
0.00 0.00 0.00
Sr
0.00 0.00 0.07
Pt
0.63 0.08 0.45
Pt
0.63 0.08 0.68
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.3 4.2 6.1
90 90 90
Na
0.00 0.00 0.00
Sr
0.00 0.00 0.07
Pt
0.63 0.08 0.45
Pt
0.63 0.08 0.68
Identify the crystal system.