The molecule with the SMILES representation of CC1=NNC(=O)C1 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}.
3-methyl-1,4-dihydropyrazol-5-one