The molecule SMILES CC1=[N+]([O-])C(C)(C)C(c2ccc(Br)cc2)=[N+]1[O-] is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.