The SMILES O=c1cc2c(nn1Cc1cccc([N+](=O)[O-])c1)-c1ccccc1CC2 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}.