The SMILES Cn1c(=O)c2nc(-c3ccc(Cl)cc3)oc2n(C)c1=O is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
2-(4-chlorophenyl)-4,6-dimethyl-[1,3]oxazolo[5,4-d]pyrimidine-5,7-dione