The SMILES CCCCN(Cc1ccco1)C(=O)Cn1ncc2c(=O)oc3ccc(C)cc3c21 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.