The SMILES CCCn1cc(S(=O)(=O)CC(=O)N2CCc3ccccc32)c2ccccc21 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}.