The SMILES COc1ccc(CC(=O)Nc2cc(C)c3c(=O)oc4ccccc4c3n2)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.