The SMILES COc1ccc(S(=O)(=O)Nc2nc3ccccc3nc2NCc2ccc3c(c2)OCO3)cc1 is not a hERG blocking compound.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.