Based on the SMILES COCCc1nc2ccc(C(=O)NCc3cccc(-n4cccn4)c3)cc2o1, the molecule is not a hERG blocking compound (IC50 less than 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.