The SMILES O=[N+]([O-])c1cc[n+]([O-])cc1 represents a molecule that is not identified as toxic in the SR-MMP assay.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {toxicity_SR-MMP#not &NULL}identified as {toxicity_SR-MMP__names__adjective}.