Based on the SMILES representation Cc1onc(-c2c(Cl)cccc2Cl)c1C(=O)N=C(N)N1CCOCC1, 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}.