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