The SMILES CC12CC(=O)NN=C1c1ccccc1C2 is not active against the human immunodeficiency virus.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
4a-methyl-4,5-dihydro-2H-indeno[1,2-c]pyridazin-3-one