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 1-[5-[6-(4-methylpiperazin-1-yl)pyrrolo[2,3-b]pyridin-1-yl]sulfonyl-2,3-dihydroindol-1-yl]ethanone into molecular formula.
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C22H25N5O3S
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