[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a dicarboxylic acid monoester that is alanine in which the hydrogen at position 2 is substituted by a methoxycarbonyl group. It is a methyl ester, a dicarboxylic acid monoester, an alpha-amino acid ester and an alanine derivative."}, {"from": "gpt", "value": "[C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][Branch1][#Branch1][C][=Branch1][C][=O][O][C][N]"}]