The SMILES O=c1c(Cl)c(O)c2cccc3c4ccccc4n1c23 is from a molecule that is not a hERG blocking compound (IC50 less than 10uM).
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.