The SMILES Cn1c(=O)c2nc3c(=O)n(C)c(=O)n(CC(N)=O)c3nc2n(C)c1=O is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
2-(3,7,9-trimethyl-2,4,6,8-tetraoxopyrimido[5,4-g]pteridin-1-yl)acetamide