You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-[(3,4-dichlorophenyl)methylidene]-2,4-dioxo-N-(pyridin-3-ylmethyl)-1H-quinoline-6-carboxamide into its molecular formula.
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C23H15Cl2N3O3
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