Is the SMILES O=C1OCC2C(=O)OCC12 active against the human immunodeficiency virus:no
Is the {SMILES__description} {SMILES#} {activity_HIV__names__adjective}:{activity_HIV#no&yes}
1,3a,4,6a-tetrahydrofuro[3,4-c]furan-3,6-dione