The SMILES O=c1cc(-c2ccc([N+](=O)[O-])cc2)c2cc3c(cc2[nH]1)OCCO3 represents 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}.