Based on the SMILES representation CC1C(=O)CC2C3(C)CCC2(C(C)C(=O)O)C(=O)C13, the molecule has no 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!}.