The SMILES Cc1nc2cc3[nH]c4ccccc4c(=O)c3cc2s1 is from a molecule that shows 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}.
2-methyl-5H-[1,3]thiazolo[5,4-b]acridin-10-one