The SMILES COc1ccc(/C=C/C(=O)OCC(=O)Nc2cc3oc4ccccc4c3cc2OC)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}.