[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][O]"}, {"from": "gpt", "value": "The molecule is an amino acid zwitterion obtained by transfer of a proton from the carboxy to the amnio group of serine. It is a tautomer of a serine."}]