The SMILES COc1cc(OC)c(C2=NOC(C(=O)N3CCc4ccccc4C3)C2)cc1Cl is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.