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 N-(3,4-dichloro-2-methylphenyl)-N-[1-(3,4-dimethoxyphenyl)-2-pyrrolidin-1-ylethyl]acetamide into its molecular formula.
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C23H28Cl2N2O3
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