The molecule with the SMILES O=C1OC(=O)c2cc(-c3ccc4c(c3)C(=O)OC4=O)ccc21 is not toxic in the NR-Estrogen receptor alpha assay.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {toxicity_NR-ER#not &NULL}{toxicity_NR-ER__names__adjective}.