The SMILES O=C(CCc1nc2ccccc2c(=O)[nH]1)N1CCN(S(=O)(=O)c2ccc(Cl)c(C(F)(F)F)c2)CC1 is not a hERG blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.