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-[(4-methoxyphenyl)methyl]piperidin-4-yl]-6-nitro-2-benzofuran-1-carboxamide is given. What is its corresponding molecular formula?
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C22H23N3O5
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