You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a signalling molecule and a membrane stabilizer, which impacts both premenstrual dysphoric disorder and schizophrenia, and is characterized as pharmaceutical. The molecule is a energy source, energy storage, hormone, surfactant, emulsifier.
user
CC(=O)C1CCC2C3CCC4CC(O)CCC4(C)C3CCC12C
assistant