The SMILES O=C1CC2C(CCC23CCCC3)N1 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}.
spiro[1,3,3a,5,6,6a-hexahydrocyclopenta[b]pyrrole-4,1'-cyclopentane]-2-one