The molecule with the SMILES O=C1NC(=S)NNC12c1ccccc1-c1ccccc12 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}.
3-sulfanylidenespiro[1,2,4-triazinane-6,9'-fluorene]-5-one