The SMILES CN1C(=O)N(C)C(=O)C2(Cc3cc([N+](=O)[O-])ccc3N(C)C2)C1=O 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}.