The SMILES COC1=CC2=CCC3C(CCC4(C)C(C(C)=O)CCC34)C2(C)CC1 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}.