Based on the SMILES representation O=C(O)C1Nc2c(Cl)cc(Cl)cc2C2C=CCC12, the molecule is not a hERG blocking compound (IC50 < 10uM).
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.