The molecule with the SMILES O=C1c2ccccc2C(=O)C2OC12 shows no activity against the human immunodeficiency virus.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
1a,7a-dihydro-1H-naphtho[2,3-b]oxirene-2,7-dione