Based on the SMILES representation O=C([O-])c1cc(O)c2c3nc4ccccc4oc-3cc(=O)c2n1, the molecule has no NR-Estrogen receptor alpha toxicity characteristics.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule has {toxicity_NR-ER#no &NULL}{toxicity_NR-ER__names__noun} {#properties|characteristics|features!}.