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-[1-[2-(5-ethoxy-2-formylanilino)-2-oxoethyl]piperidin-4-yl]-3-fluorobenzamide is given. What is its corresponding molecular formula?
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C23H26FN3O4
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