The SMILES CC(C)c1nnc(NC(=O)c2ccc(N3C(=O)CCC3=O)cc2)s1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.