The SMILES O=C(NNC(=O)c1ccc(Cl)c(S(=O)(=O)Nc2ccc(Cl)cc2)c1)c1ccc(=O)[nH]c1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.