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