The SMILES O=C(N/N=C/c1cccnc1)c1cccc(S(=O)(=O)Nc2cccc(Cl)c2)c1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.