The SMILES CC(=O)C1=NOC2C(=O)N(c3ccc(Cl)cc3)C(=O)C12 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.