The SMILES CNC1=C([N+](=O)[O-])CC([N+](=O)[O-])=C(N2CCNCC2)N1C represents a molecule that is not a hERG blocking compound (IC50 less than 10uM).
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {herg_inhib#not &NULL}a {herg_inhib__names__noun}.