You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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4-[(4-chlorophenyl)-hydroxymethylidene]-1-(2-phenylethyl)-5-(4-prop-2-enoxyphenyl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
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C28H24ClNO4
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