The SMILES CCCS(=O)(=O)C(=C1Nc2ccccc2N1)S(=O)(=O)CCC 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}.