The SMILES Cc1cc2cc3c(C)cc(=O)oc3c(C)c2o1 is not toxic.
The {#molecule |!}{SMILES__description} {SMILES#} is {clinical_toxicity#not &NULL}{clinical_toxicity__names__adjective}.
2,5,9-trimethylfuro[3,2-g]chromen-7-one