The molecule with the SMILES COCn1cc(C2=C(C)C(=O)C(C)=C(C)C2=O)cn1 shows 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}.