[{"from": "human", "value": "Provide a description of this molecule. [C][S][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][N][N]"}, {"from": "gpt", "value": "The molecule is an amino acid amide that is L-methionine in which the carboxy OH group is replaced by NH2. It is an amino acid amide and a L-methionine derivative."}]