[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][S][C][C][Branch1][Ring2][NH2+1][Ring1][=Branch1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of thiomorpholine-3-carboxylic acid arising from transfer of a proton from the carboxy to the amino group; major species at pH 7.3. It is a conjugate acid of a thiomorpholine-3-carboxylate. It is a tautomer of a thiomorpholine-3-carboxylic acid."}]