The molecule with the SMILES COc1cccc(C2c3c(oc4ccccc4c3=O)C(=O)N2c2ccccn2)c1 is not a hERG blocking compound (IC50 < 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.