The SMILES CCOC(=O)C1(C(C)=O)CC(C)=C(C)CS1=O is from a molecule that shows 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}.
ethyl 6-acetyl-3,4-dimethyl-1-oxo-2,5-dihydrothiopyran-6-carboxylate