The SMILES NS(=O)(=O)c1ccc(CNC(=O)COc2ccc3c4c(c(=O)oc3c2)CCCC4)cc1 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}.