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system
Provide the molecular formula for the IUPAC named substance (8aS)-N-[5-(diaminomethylideneamino)-1-oxo-1-(1,3-thiazol-2-yl)pentan-2-yl]-2-(naphthalene-2-carbonyl)-4-oxo-1,3,6,7,8,8a-hexahydropyrrolo[1,2-a]pyrazine-6-carboxamide .
user
C28H31N7O4S
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