Based on the SMILES O=c1c2ccc([N+](=O)[O-])cc2ncn1CCOc1cccc(Br)c1, the molecule is not a hERG blocking compound.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.