[{"from": "human", "value": "Provide a description of this molecule. [C][=Branch1][#Branch2][=C][Branch1][=Branch1][/C][=Branch1][C][=O][O][\\N][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a 2,3-dehydroamino acid resulting from the formal dehydrogenation of the side chain of aspartic acid to introduce a C=C double bond at the 2-3 position."}]