The SMILES CN(C(=O)Cn1c(Cl)nc2c1c(=O)n(C)c(=O)n2C)C1CCS(=O)(=O)C1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.