Based on the SMILES representation NC(=O)CC(NC(=O)c1ccc(Br)cc1)c1ccc(N2CCN(c3ccccc3)CC2)c([N+](=O)[O-])c1, the molecule is not a hERG blocking compound (IC50 < 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.