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 methyl 5-[(2R)-2-(5-chloro-2,4-dimethoxyanilino)propanoyl]-2,4-dimethyl-1H-pyrrole-3-carboxylate into its molecular formula.
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C19H23ClN2O5
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