The SMILES Cn1c(=O)c2c(no[n+]2[O-])c2ccccc21 is not active against the human immunodeficiency virus.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
5-methyl-3-oxido-[1,2,5]oxadiazolo[3,4-c]quinolin-3-ium-4-one