You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (7S)-1-(4-chlorophenyl)-5-oxo-7-(2,3,4-trimethoxyphenyl)-6,7-dihydro-4H-pyrrolo[3,2-b]pyridine-3-carboxylic acid into its molecular formula.
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C23H21ClN2O6
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