The molecule with the SMILES representation of O=C1OC(=O)c2cc(-c3ccc4c(c3)C(=O)OC4=O)ccc21 is not displaying toxicity in the NR-AhR assay.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} is {toxicity_NR-AhR#not &NULL}{toxicity_NR-AhR__names__gerund}.