You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[[4-(difluoromethoxy)-3-ethoxyphenyl]methyl]-2-(furan-2-yl)-2-pyrrolidin-1-ylethanamine by IUPAC nomenclature, provide its molecular formula.
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C20H26F2N2O3
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