You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3E)-1-(2-bromo-4-methylphenyl)-3-[(2,4-dichlorophenyl)methylidene]-5-phenylpyrrol-2-one by IUPAC nomenclature, provide its molecular formula.
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C24H16BrCl2NO
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