The SMILES COC(=O)c1ccc(-c2cc3onc(-c4ccccc4)c3c(=O)n2C)cc1 is from a molecule that is not a hERG blocker.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.