The SMILES COC(=O)CC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1 is from a molecule that exhibits no activity against HIV.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
methyl 3-oxo-4-(triphenyl-λ5-phosphanylidene)butanoate