The molecule SMILES CCn1cc(C2N3CC4(C)CN2CC(C)(C3)C4=O)c2ccccc21 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.