The SMILES O=C(CN1C(=O)c2cccc3cccc1c23)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.