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 N-[(Z)-[5-(2,3-dichlorophenyl)furan-2-yl]methylideneamino]-1-benzofuran-2-carboxamide is given. What is its corresponding molecular formula?
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C20H12Cl2N2O3
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