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system
Provide the molecular formula for the IUPAC named substance 4-[[(3aS,6aR)-3a-methyl-5-(tetrazolo[1,5-a]pyrazin-8-yl)-3,4,6,6a-tetrahydro-1H-pyrrolo[3,4-c]pyrrol-2-yl]methyl]-1-methylpyridin-2-one .
user
C18H22N8O
assistant