The SMILES O=C(NCc1cccnc1)c1c(O)c2cccc3c2n(c1=O)CCC3 is from a molecule that is not a hERG blocking compound (IC50 < 10uM).
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.