The SMILES O=C(COC(=O)CNC(=O)c1ccco1)Nc1ccccc1OC(F)F 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}.