The molecule SMILES Cc1onc(-c2ccccc2Cl)c1C(=O)Nc1nnc(-c2ccc(Cl)cc2Cl)s1 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.