The SMILES CC(=O)NCCNC(=O)c1cc(-c2cccc3ccccc23)nc2ccccc12 represents a molecule that is not a hERG blocking compound.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.