[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][S@][=Branch1][C][=O][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is an L-alpha-amino acid zwitterion that is allin 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 has a role as an antimicrobial agent, an antioxidant, a cardioprotective agent, a neuroprotective agent and a plant metabolite. It is a tautomer of an alliin."}]