[{"from": "human", "value": "Please give me some details about this molecule. [C][Se][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of Se-methyl-L-selenocysteine. It is a tautomer of a Se-methyl-L-selenocysteine."}]