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 membrane stabilizer, a nutrient, and a emulsifier. The molecule is a signalling molecule, surfactant, energy source, energy storage.
user
O=C1C=C2c3c(c[nH]c3C1=O)CC1OCCCN21
assistant