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 energy source, emulsifier, surfactant, membrane stabilizer, nutrient, energy storage. Please write the SMILES representation of it.
user
N=C(N)NCCCC(NC(=O)CC(O)C(=O)O)C(=O)O
assistant