Based on the SMILES COC(=O)C1C2CC3C(C2=O)C31, the molecule exhibits no activity against the human immunodeficiency virus.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
[C][O][C][=Branch1][C][=O][C][C][C][C][C][Branch1][Branch1][C][Ring1][Branch1][=O][C][Ring1][Branch1][Ring1][Branch2]