The SMILES Cc1ccc(C(=O)NCCc2nnc3ccc(NCCCN4CCOCC4)nn23)cc1 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}.