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 (4E)-4-[(2-chloro-5-methoxyphenyl)-hydroxymethylidene]-1-[(2-methoxyphenyl)methyl]-5-pyridin-2-ylpyrrolidine-2,3-dione is given. What is its corresponding molecular formula?
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C25H21ClN2O5
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