The molecule SMILES Cc1ccnc(NS(=O)(=O)c2ccc(N3C(=O)c4c(Cl)c(Cl)c(Cl)c(Cl)c4C3=O)cc2)n1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.