Based on the SMILES representation CCCCc1nc2cccnc2n1Cc1ccc(-c2ccccc2-c2nnn[n-]2)cc1, the molecule has no NR-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!}.