You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 5-[4-[2-(3,5-dimethoxyphenyl)ethyl]piperidin-1-yl]sulfonyl-1,3-dimethylpyrimidine-2,4-dione ?
user
C21H29N3O6S
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