You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[4-(diethylamino)phenyl]-4-hydroxy-2-(3-hydroxyphenyl)-3-(2-methylpropanoyl)-2H-pyrrol-5-one is given. What is its corresponding molecular formula?
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C24H28N2O4
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