<|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 2.8 10.1
90 90 90
Na
0.00 0.00 0.66
Na
0.41 0.41 0.85
Ag
0.00 0.00 0.31
Ir
0.41 0.41 0.41
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 2.8 10.1
90 90 90
Na
0.00 0.00 0.66
Na
0.41 0.41 0.85
Ag
0.00 0.00 0.31
Ir
0.41 0.41 0.41
Identify the crystal system.