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 (2S,3aS,6aS)-4-(furan-2-ylmethyl)-N-(pyridin-3-ylmethyl)-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]pyrrole-2-carboxamide is given. What is its corresponding molecular formula?
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C18H21N3O3
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