The molecule with the SMILES representation of O=C(Cn1cnc2cc([N+](=O)[O-])ccc2c1=O)Nc1ccc(Br)cc1 is not a hERG blocking compound (IC50 less than 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.