Based on the SMILES Cc1ccc2c(Cl)cc(Cl)c(OCc3nnc(-c4ccc(Cl)cc4)o3)c2n1, 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}.