The SMILES CCCC(=O)Nc1ccc(NC(=O)C23CC4CC(CC(C4)C2)C3)cn1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.