<|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:
3.6 3.6 7.8
90 90 90
Na
0.00 0.00 0.15
Te
0.00 0.00 0.67
Te
0.82 0.82 0.87
Se
0.82 0.82 0.89
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.6 3.6 7.8
90 90 90
Na
0.00 0.00 0.15
Te
0.00 0.00 0.67
Te
0.82 0.82 0.87
Se
0.82 0.82 0.89
Identify the crystal system.