[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][O][C][=Branch1][C][=O][C][N][C][=N][N][=C][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][S][C][C][=Branch1][C][=O][O][C][C]"}, {"from": "gpt", "value": "The molecule is an alpha-amino acid ester."}]