The SMILES COC(=O)CCS(=O)(=O)c1nc(-c2ccccc2)cc(C(F)(F)F)n1 is not a hERG blocking compound (IC50 < 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.