[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch2][Ring1][Ring2][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a nonsteroidal antiinflammatory drug (NSAID) used in the treatment of acute pain and chronic arthritis. Fenoprofen has been linked to a low rate of serum enzyme elevations during therapy and to rare instances of clinically apparent acute liver injury."}]