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 surfactant, emulsifier, membrane stabilizer, nutrient, energy storage, energy source. Please represent the molecule in SMILES.
user
CS(=O)CCC(NC(=O)CCC(N)C(=O)O)C(=O)O
assistant