You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a nutrient, emulsifier, energy source, membrane stabilizer, energy storage, surfactant. Please write the SMILES representation of it.
user
COc1cc2c(cc1C1COc3cc(OC4OC(COC(=O)CC(=O)O)C(O)C(O)C4O)cc(O)c3C1=O)OCO2
assistant