The SMILES O=c1oc2ccccc2c([O-])c1Cc1c([O-])c2ccccc2oc1=O is from a molecule that is not identified as toxic.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {clinical_toxicity#not &NULL}identified as {clinical_toxicity__names__adjective}.
3-[(4-oxido-2-oxochromen-3-yl)methyl]-2-oxochromen-4-olate