The molecule with the SMILES COC(=O)c1ccc(-c2cc3onc(-c4ccccc4)c3c(=O)n2C)cc1 is not a hERG blocking compound (IC50 less than 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.