The SMILES O=C1OC(=C(Cl)Cl)C2C3c4ccccc4C(c4ccccc43)C12 is from 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}.