[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a D-alpha-amino acid zwitterion that is D-asparagine in which a proton has been transferred from the carboxy group to the amino group. It is the major species at pH 7.3. It is a tautomer of a D-asparagine."}, {"from": "gpt", "value": "[C][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C][=Branch1][C][=O][N]"}]