The molecule with the SMILES O=C(Cn1nnc2ccccc21)Nc1ccc(Cl)cn1 is not a hERG blocking compound (IC50 < 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.