[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a L-methionine and a deuterated compound."}, {"from": "gpt", "value": "[2H][C][Branch1][C][2H][Branch1][C][2H][S][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}]