The SMILES COc1ccc2oc(C(=O)Nc3nc(-c4ccccn4)cs3)c(C)c2c1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.