[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an acyclic carboxylic anhydride resulting from the formal condensation of the carboxy groups of two molecules of dodecanoic acid. It is functionally related to a dodecanoic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C]"}]