[{"from": "human", "value": "Describe this molecule. [C][C@@H1][Branch1][#Branch1][C][=Branch1][C][=O][O][C][N][C][=C][Branch1][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an alpha-amino acid ester."}]