The SMILES O=C(NCCc1ccc(C(F)(F)F)cc1)C1CC(=O)N(Cc2ccccc2)C1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.