The SMILES O=C1OC2(c3ccc(O)cc3Oc3cc(O)ccc32)c2ccccc21 is not clinically toxic.
The {#molecule |!}{SMILES__description} {SMILES#} is {clinical_toxicity#not &NULL}{clinical_toxicity__names__adjective}.
3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one