[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][Branch1][Ring2][C][Ring1][Branch1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is non-metabolisable amino acid formed by cyclization of leucine. It is also a specific and reversible inhibitor of nucleic acid methylation and widely used in biochemical experiments."}]