The SMILES O=[N+]([O-])c1cc(-c2nnc(C34CC5CC(CC(C5)C3)C4)o2)cc([N+](=O)[O-])c1 is from a molecule that is not a hERG blocking compound.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.