The SMILES C=C1CC2(CCOc3ccccc32)OC1=O 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}.
3'-methylidenespiro[2,3-dihydrochromene-4,5'-oxolane]-2'-one