The SMILES CCS(=O)(=O)CCn1cnc2c1c(=O)n(C)c(=O)n2C 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}.
7-(2-ethylsulfonylethyl)-1,3-dimethylpurine-2,6-dione