You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-[2-[(2R)-2-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)pyrrolidin-1-yl]-2-oxoethyl]sulfanyl-4,6-dimethylpyridine-3-carbonitrile into molecular formula.
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C23H25N3O3S
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