The SMILES Fc1c(F)c(F)c(CSc2nc3ccccc3[nH]2)c(F)c1F 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}.