The SMILES O=S(=O)(Nc1ncccn1)c1ccc(NS(=O)(=O)c2cc(Cl)ccc2Cl)cc1 is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.