The SMILES O=c1onc2c3ccccc3ncn12 is from a molecule that shows 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}.
[O][=C][O][N][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][=C][N][Ring1][=N][Ring1][#Branch2]