The SMILES O=C(NC(=S)Nc1ccc(N2CCOCC2)cc1)c1cccc(Cl)c1Cl 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}.