The SMILES O=C1N(O)C2(C=CCCC2)C(=NO)C12CCCCC2 is from a molecule that displays no activity against the human immunodeficiency virus.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
[O][=C][N][Branch1][C][O][C][Branch1][Branch2][C][=C][C][C][C][Ring1][=Branch1][C][=Branch1][Ring1][=N][O][C][Ring1][=N][C][C][C][C][C][Ring1][=Branch1]