The SMILES Cc1nc2ccccn2c1C(=O)C(=O)Nc1cc(F)ccc1F 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}.