The SMILES O=C1OCC2C(=O)OCC12 is not active against the human immunodeficiency virus.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
1,3a,4,6a-tetrahydrofuro[3,4-c]furan-3,6-dione