The SMILES O=c1[nH]c(=O)n(Cc2ccco2)c2c1C(C(F)(F)F)(C(F)(F)F)N=C(c1ccc(F)cc1)N2 is not a hERG blocking compound (IC50 less than 10uM).
The {#molecule |!}{SMILES__description} {SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.