You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-benzyl-2-[5-[(3R)-3-(dimethylamino)pyrrolidin-1-yl]sulfonylpyridin-2-yl]-1H-pyrazol-3-one into molecular formula.
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C21H25N5O3S
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