User: I'm searching for the SMILES of a molecule that is not toxic in the NR-Estrogen receptor alpha assay?
Assistant: This is a molecule that is not toxic in the NR-Estrogen receptor alpha assay: C=C(C)CN(CC)c1c([N+](=O)[O-])cc(C(F)(F)F)cc1[N+](=O)[O-]
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that is {toxicity_NR-ER#not &NULL}{toxicity_NR-ER__names__adjective}?
Assistant: This is a molecule that is {toxicity_NR-ER#not &NULL}{toxicity_NR-ER__names__adjective}: {SMILES#}