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system
Provide the molecular formula for the IUPAC named substance 2-[(3aS,6aR)-1-(thiophen-3-ylmethyl)-2,3,3a,5,6,6a-hexahydropyrrolo[3,2-b]pyrrol-4-yl]-1,3,4-thiadiazole .
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C13H16N4S2
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