The SMILES COc1ccc(-c2csc(NC(=O)CN3C(=O)NC4(CCCC4)C3=O)n2)cc1OC is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.