You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a energy storage, nutrient, energy source, emulsifier, membrane stabilizer, surfactant. Please represent the molecule in SMILES.
user
CCC(=O)C(=O)CCCC(O)CC(=O)CCCCCCCC(=O)O
assistant