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For the molecule named N-[(2R)-1-[(3aR,6aS)-4-benzoyl-6-oxo-3,3a,5,6a-tetrahydro-2H-pyrrolo[3,2-b]pyrrol-1-yl]-3-benzylsulfanyl-1-oxopropan-2-yl]thiophene-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C28H27N3O4S2
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