The SMILES O=c1c2ccccc2nc2sc(N=CC=Cc3ccccc3)nn12 represents a molecule that exhibits no activity against HIV.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
2-(cinnamylideneamino)-[1,3,4]thiadiazolo[2,3-b]quinazolin-5-one