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 3-[[4-[4-(4-chlorophenyl)but-2-enoxy]phenoxy]methyl]-1-hydroxy-4-methylpyridin-2-one is given. What is its corresponding molecular formula?
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C23H22ClNO4
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