The SMILES CC1(NC(=O)c2cccc(S(=O)(=O)N3CCN(c4ccccc4)CC3)c2)CCS(=O)(=O)C1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.