The molecule SMILES O=C(Nc1ccccc1F)c1ccc(-c2cccc([N+](=O)[O-])c2)o1 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}.