The molecule with the SMILES representation of O=C1OCC2C(=O)OCC12 shows no activity against HIV.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
1,3a,4,6a-tetrahydrofuro[3,4-c]furan-3,6-dione