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-[(3S,3aR,6aS)-1-(pyridin-2-ylmethyl)-2,3,3a,4,6,6a-hexahydrofuro[3,4-b]pyrrol-3-yl]thiophene-3-carboxamide;2,2,2-trifluoroacetic acid is given. What is its corresponding molecular formula?
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C19H20F3N3O4S
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