The SMILES COC(=O)c1cc(S(=O)(=O)Nc2nn(C)c3ccccc23)oc1C is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.