The SMILES NN=c1nc2[nH]o[nH]c-2nc1=NN is not active against the human immunodeficiency virus.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
(6-diazanylidene-1H-[1,2,5]oxadiazolo[3,4-b]pyrazin-5-ylidene)diazane