The SMILES COc1cccc(NC(=O)Cn2nnc(C(=O)NCc3ccc4c(c3)OCO4)c2N)c1 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}.