The SMILES O=C1C(=Cc2ccc(F)cc2)CCc2ccccc21 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}.
2-[(4-fluorophenyl)methylidene]-3,4-dihydronaphthalen-1-one