The molecule SMILES FC(F)(F)c1cc(C(F)(F)F)c2ccc(N3CCN(c4ccc(Cl)cc4)CC3)nc2n1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.