The SMILES CCCC1=NN(C(=O)Cc2ccc(OC)cc2)C(O)(C(F)(F)F)C1 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}.