The SMILES O=C(N/N=C/c1ccc([N+](=O)[O-])cc1)c1ccccc1OCc1ccccc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.