The SMILES O=C1OC(=O)C2C3C=CC(C12)C1C2C=CC2C31 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}.