The SMILES COc1ccccc1C1NC=C([N+](=O)[O-])C=C1[N+](=O)[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}.