User: Is the molecule with the SMILES O=C1OCC2C(=O)OCC12 active against the human immunodeficiency virus?
Assistant: Yes, it is not active against the human immunodeficiency virus.
User: Is the molecule with the {SMILES__description} {SMILES#} {activity_HIV__names__adjective}?
Assistant: Yes, it is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
1,3a,4,6a-tetrahydrofuro[3,4-c]furan-3,6-dione