The molecule with the SMILES representation of O=C(O)CSc1nnc(S)c2[nH]cnc12 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}.
2-[(4-sulfanyl-3H-imidazo[4,5-d]pyridazin-7-yl)sulfanyl]ethanoicacid