You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(2-chlorophenyl)methyl]-3-[[(2S)-1-(cyclopropanecarbonyl)-2-methyl-2,3-dihydroindol-5-yl]sulfonyl]propanamide into molecular formula.
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C23H25ClN2O4S
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