You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a nutrient.
user
C=C1CCC2C(C)(C)C(=O)CCC2(C)C1CCC1C(C)=CCC2C(C)(C)C(=O)CCC12C
assistant