The SMILES Cn1cc([N+](=O)[O-])c(C(=O)NCc2cc3cc(Cl)ccc3[nH]2)n1 represents a molecule that is not a hERG blocker.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.