The SMILES COc1cc2c(cc1OC)CN(C(=O)CCCN1C(=O)c3ccccc3C1=O)CC2 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.