The SMILES O=C(c1ccc(NC(=S)Nc2ccc(Cl)c(Cl)c2)cc1)N1CCCC1 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}.