The SMILES O=S(=O)(NNc1nccc(C(F)(F)F)n1)c1cccc(Cl)c1Cl is not a human ether-à-go-go related gene (hERG) blocker.
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.