The SMILES Nc1ncc2c(n1)CCN(c1ccc([N+](=O)[O-])cc1)C2 represents 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}.