[{"from": "human", "value": "Please give me some details about this molecule. [C][N+1][Branch1][C][C][Branch1][C][C][C][/C][=C][/C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an amino-acid betaine. It is functionally related to a but-2-enoate. It is a conjugate base of a 4-(trimethylammonio)but-2-enoic acid."}]