[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of dicarboxylic acids and O-substituted derivatives and a methyl ester."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C@@H1][Branch1][#C][C@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C]"}]