Based on the SMILES O=c1c2cc(Br)ccc2nc(-c2ccc([N+](=O)[O-])cc2)n1O, 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}.