The SMILES O=S(=O)(NCc1c(Cl)cccc1Oc1ccccc1)c1ccc(F)cc1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.