The SMILES CCCc1nnc(NC(=O)C(CC)OC(=O)c2cc(C)nc3ccccc23)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}.