The SMILES Cc1ccc2[nH]c3c(c(=O)n(C)c(=O)n3C)c2c1 represents 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}.
1,3,6-trimethyl-9H-pyrimido[4,5-b]indole-2,4-dione