[{"from": "human", "value": "Please give me some details about this molecule. [C][C][O][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][/C][=Branch2][Ring1][Ring2][=C][/C][=C][Branch1][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][O][/S][C][Ring1][P][=O]"}, {"from": "gpt", "value": "The molecule is an alpha-amino acid ester."}]