The molecule SMILES O=C(CC1C(=O)NCCN1C(=O)Nc1ccc(C(F)(F)F)cc1)Nc1ccc(F)cc1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.