[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a deuterated compound that is L-alanine in which the alpha-hydrogen and the three methyl hydrogens are replaced by deuterium. It is a L-alpha-amino acid, an alanine and a deuterated compound."}, {"from": "gpt", "value": "[2H][C@@][Branch1][=Branch1][C][=Branch1][C][=O][O][Branch1][=Branch2][C][Branch1][C][2H][Branch1][C][2H][2H][N]"}]