The SMILES CS(=O)(=O)c1ccc(-c2cccc(NC(=O)c3ccco3)c2)nn1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.