The SMILES CCOc1ccc(-c2nnc(NC(=O)CCCOc3cccc(C)c3)o2)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.