The SMILES CCCC(NC(=O)c1c(C)noc1C)C12CC3CC(CC(C3)C1)C2 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.