The SMILES Nc1ncnc2c1ncn2C1OC(COP(=O)(O)O)C(O)C1O is from a molecule that exhibits no activity against HIV.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.