The SMILES O=c1[nH]c(O)c(N=Nc2cc(C(F)(F)F)ccc2Cl)c(=O)[nH]1 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}.