You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a emulsifier, nutrient, energy source, energy storage, membrane stabilizer, surfactant.
user
O=C(O)C(=O)OC1C(Oc2cccc3c2C(=O)c2c(O)cc(C(=O)O)cc2C3C2c3cc(C(=O)O)cc(O)c3C(=O)c3c(OC4OC(CO)C(O)C(O)C4O)cccc32)OC(CO)C(O)C1O
assistant