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 ethyl 5-[2-[4-(4-methoxyphenyl)piperazin-1-yl]propanoyl]-2,4-dimethyl-1H-pyrrole-3-carboxylate into molecular formula.
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C23H31N3O4
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