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Under IUPAC nomenclature, a molecule named [(3S,3aS,7aR)-3-(4-fluorophenyl)-5-(pyrazine-2-carbonyl)-3,3a,4,6,7,7a-hexahydro-2H-pyrrolo[3,2-c]pyridin-1-yl]-thiophen-2-ylmethanone is given. What is its corresponding molecular formula?
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C23H21FN4O2S
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