[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=Branch1][C][=O][O][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is an alpha-amino acid that is homoserine in which the alcoholic hydroxy group has been converted to the corresponding acetate. It is an acetate ester and a non-proteinogenic alpha-amino acid. It is functionally related to a homoserine. It is a tautomer of an O-acetylhomoserine zwitterion."}]