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 (E)-2-cyano-N-(2,6-dichloro-4-nitrophenyl)-3-[3-(2,4-dinitrophenoxy)-4-methoxyphenyl]prop-2-enamide is given. What is its corresponding molecular formula?
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C23H13Cl2N5O9
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