The molecule SMILES O=C(Nc1cc(Oc2ccccc2)cc([N+](=O)[O-])c1)C12CC3CC(C1)CC(n1cnc(Cl)n1)(C3)C2 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}.