The SMILES COC(=O)CC/C(=C1/C=C(c2ccc(Br)cc2)NC1=O)c1ccc(Br)cc1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.