Based on the SMILES O=C(O)[C@@H]1Cc2c([nH]c3ccccc23)C2CCC(=O)N21, the molecule is not a hERG blocking compound (IC50 less than 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.