[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][S][=C][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][N][Branch1][Ring2][C][C][O][C][C][O]"}, {"from": "gpt", "value": "The molecule is a phenylalanine derivative."}]