The SMILES O=C1OC(=O)c2cc(-c3ccc4c(c3)C(=O)OC4=O)ccc21 represents a molecule that is not identified as toxic in the p53 response assay.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {toxicity_SR-p53#not &NULL}identified as {toxicity_SR-p53__names__adjective}.