<|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:
3.1 3.1 8.1
90 90 90
Na
0.00 0.00 0.12
Tc
0.54 0.54 0.65
Mo
0.00 0.00 0.05
Mo
0.54 0.54 0.51
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.1 3.1 8.1
90 90 90
Na
0.00 0.00 0.12
Tc
0.54 0.54 0.65
Mo
0.00 0.00 0.05
Mo
0.54 0.54 0.51
Identify the crystal system.