The molecule with the SMILES O1[As]2O[As]3O[As]1O[As](O2)O3 is exhibiting toxicity 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__gerund}.