The molecule SMILES O=C(/C=C/c1cc([N+](=O)[O-])ccc1OC(F)F)Nc1ccc(OC(F)F)cc1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.