The SMILES O=C(CN1C(=O)NC2(CCc3ccccc3C2)C1=O)NCC(F)(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}.