You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (4E)-4-[(5-chloro-2,4-dimethoxyphenyl)-hydroxymethylidene]-1-[(4-fluorophenyl)methyl]-5-pyridin-2-ylpyrrolidine-2,3-dione by IUPAC nomenclature, provide its molecular formula.
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C25H20ClFN2O5
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