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-[[(3R,3aS,6aS)-5-(1-fluorocyclobutanecarbonyl)-2,3,3a,4,6,6a-hexahydrofuro[2,3-c]pyrrol-3-yl]methyl]pyridine-3-carboxamide;2,2,2-trifluoroacetic acid is given. What is its corresponding molecular formula?
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C20H23F4N3O5
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