The molecule SMILES O=C1c2nccnc2C(=O)N1c1ccc(C(F)(F)F)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.