The SMILES O=C(NNC(=O)c1cc(OCC(F)(F)F)ccc1OCC(F)(F)F)c1ccc(Cl)c(Cl)c1 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}.