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system
Provide the molecular formula for the IUPAC named substance N-butan-2-yl-3-[2-[2-(2,5-dimethylanilino)-2-oxoethyl]-1,5-dioxo-3,3a,5a,6,7,8,9,9a-octahydro-[1,2,4]triazolo[4,3-a]quinazolin-4-yl]propanamide .
user
C26H38N6O4
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