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-[4-[4-[4-(3-hydroxy-2-oxopropyl)phenyl]butyl]phenyl]-1-methylpiperidine-4-carboxamide is given. What is its corresponding molecular formula?
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C26H34N2O3
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