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 (3R)-1-benzyl-3-[(3S)-5-chloro-1-methyl-2-oxo-3H-indol-3-yl]-3-hydroxyindol-2-one into molecular formula.
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C24H19ClN2O3
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