The molecule with the SMILES Cn1c(=O)[nH]c2[nH]c3ccccc3c2c1=O shows no activity against HIV.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
3-methyl-1,9-dihydropyrimido[4,5-b]indole-2,4-dione