The molecule SMILES O=S(=O)([N-]c1nc2ccccc2nc1-[n+]1ccccc1)c1ccccc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.