[{"from": "human", "value": "What can you tell me about this molecule? [C][C][Branch1][Ring1][C][O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is an amino acid zwitterion arising from transfer of a proton from the carboxy to the amino group of 2-methylserine; major species at pH 7.3 It is a tautomer of a 2-methyl-DL-serine."}]