You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(5-chloro-2-methylphenyl)-2-[(3S)-3-hydroxy-3-(4-methylphenyl)-2-oxoindol-1-yl]acetamide is given. What is its corresponding molecular formula?
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C24H21ClN2O3
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