Based on the SMILES representation O=c1oc2ccccc2c([O-])c1Cc1c([O-])c2ccccc2oc1=O, the molecule has no toxic characteristics.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule has {clinical_toxicity#no &NULL}{clinical_toxicity__names__adjective} {#properties|characteristics|features|traits!}.
3-[(4-oxido-2-oxochromen-3-yl)methyl]-2-oxochromen-4-olate