The SMILES O=C(/C=C/c1ccccc1)Nc1sc2c(c1C(=O)O)CCC2 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}.