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 food additive, a emulsifier, a membrane stabilizer, and smooth. The molecule is a energy source, surfactant, nutritional supplement, energy storage. Please represent the molecule in SMILES.
user
CCCCCCCCC=CCCCCCCCC(=O)OC(COC(=O)CCCCCCCCCCCCCCCCC)COP(=O)(O)OCC(O)COP(=O)(O)O
assistant