User: I'm looking for the SMILES of a molecule that is not active against the human immunodeficiency virus?
Assistant: This is a molecule that is not active against the human immunodeficiency virus: FC(F)(F)C1(C(F)(F)F)C2CCC3(CC(F)(F)C(F)(F)S3)C1C2
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that is {activity_HIV#not &NULL}{activity_HIV__names__adjective}?
Assistant: This is a molecule that is {activity_HIV#not &NULL}{activity_HIV__names__adjective}: {SMILES#}
2',2',3',3'-tetrafluoro-6,6-bis(trifluoromethyl)spiro[bicyclo[3.1.1]heptane-2,5'-thiolane]