The SMILES O=C1OCC2=Nc3cccc4cccc(c34)N12 represents a molecule that displays 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][C][C][=N][C][=C][C][=C][C][=C][C][=C][C][=Branch1][=Branch1][=C][Ring1][#Branch2][Ring1][=Branch1][N][Ring1][S][Ring1][=N]