The SMILES O=C1OCCN1N1C(=O)CC2(CCCCC2)C1=O is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
[O][=C][O][C][C][N][Ring1][Branch1][N][C][=Branch1][C][=O][C][C][Branch1][Branch2][C][C][C][C][C][Ring1][=Branch1][C][Ring1][O][=O]