The SMILES COc1cc(NC(=O)NCCN2CCN(c3ccc(Cl)cc3)CC2)ccc1C is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.