The SMILES O=C1COc2ccc(N3C(=O)c4ccccc4C3=O)cc2N1 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}.