The SMILES CCCCN(CCCC)CCn1cnc2c([nH]c3ccc(OC)cc32)c1=O 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}.