You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-[4-[2-(3-chloroanilino)-2-oxoethoxy]phenyl]-2-cyano-N-(4-ethoxyphenyl)prop-2-enamide by IUPAC nomenclature, provide its molecular formula.
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C26H22ClN3O4
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