The SMILES CCC(C)(C)c1nnc(NC(=O)c2cccc([N+](=O)[O-])c2)s1 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}.