Based on the SMILES O=C(Nc1ccc(Cl)cc1C(=O)c1ccccc1)c1ccc(Br)o1, 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}.