[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][C][Ring1][Branch2][N][C][C][=C][Branch1][Branch1][C][Ring1][Branch1][=O][C][=C][C][=C][Ring1][Branch2][N]"}, {"from": "gpt", "value": "The molecule is an immunomodulatory and antineoplastic agent that is used in the therapy of multiple myeloma. Lenalidomide is associated with a low rate of serum aminotransferase elevations during therapy and has been implicated in causing rare instances of clinically apparent liver injury which can be severe."}]