Based on the SMILES O=C(O)CN1C(c2ccccc2)=Nc2ccc(Br)cc2C1c1ccccc1, the molecule is not a hERG blocker.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.