The SMILES Cn1nnc2c(C(N)=O)ncn2c1=O is from a molecule with a half life in humans after IV administration of 1.500 hours.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule with a {half_life_duration__names__noun} of {half_life_duration#} {half_life_duration__units}.
3-methyl-4-oxoimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide