Based on the SMILES representation O=C1NC2C3CC(c4ccccc43)C12, the molecule exhibits no activity against HIV.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
[O][=C][N][C][C][C][C][Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][C][Ring1][=N][Ring1][O]