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 2-[6-chloro-6-(2-chloro-4-methoxyphenoxy)-1-hydroxy-4-methoxycyclohexa-2,4-dien-1-yl]-3-fluoro-N-(2-oxo-1H-pyridin-4-yl)benzamide is given. What is its corresponding molecular formula?
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C26H21Cl2FN2O6
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