The molecule SMILES O=C(C[n+]1ccccc1)N/N=C/c1ccccc1Cl.[Cl-] 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}.