The molecule with the SMILES O=c1[nH]c2cc(Cl)ccc2n(CCNc2ncc(C(F)(F)F)cc2Cl)c1=O is not a hERG blocking compound (IC50 less than 10uM).
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.