The SMILES O=C(Cn1ccc([N+](=O)[O-])n1)NCCc1c[nH]c2ccccc12 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}.