The molecule with the SMILES O=C1CC2C(CCC23CCCC3)N1 displays no activity against the human immunodeficiency virus.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#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