The SMILES COC(=O)c1ccc(NC(=O)CN2CCN(S(=O)(=O)c3ccc(Br)cc3)CC2)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.