<|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:
7.7 7.7 7.7
90 90 90
Cs
0.00 0.87 0.00
Cs
0.00 0.00 0.87
Cs
0.87 0.00 0.00
Ba
0.87 0.87 0.87
Y
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.7 7.7 7.7
90 90 90
Cs
0.00 0.87 0.00
Cs
0.00 0.00 0.87
Cs
0.87 0.00 0.00
Ba
0.87 0.87 0.87
Y
0.00 0.00 0.00
Identify the crystal system.