The SMILES CN1C(=O)N(C)C(=O)C2(Sc3ccccc3C2=O)C1=O 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}.