The SMILES CNC(=O)O/N=C/c1nn(C(=O)C(C)(C)C)cc1Br is from 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}.