Based on the SMILES Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1, the molecule has estrogen receptor alpha toxicity features.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule has {toxicity_NR-ER#no &NULL}{toxicity_NR-ER__names__noun} {#properties|characteristics|features!}.