The SMILES O=C1OCC2C(=O)OCC12 represents a molecule that exhibits no activity against the human immunodeficiency virus.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
1,3a,4,6a-tetrahydrofuro[3,4-c]furan-3,6-dione