The SMILES O=C(CC(=O)N/N=C\c1c(Cl)cccc1Cl)NCc1ccccc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.