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=C(C)C1CCC2(C)C1CCC1(C)C2CCC2C3(C)CCC(=O)C(C)(C)C3CCC21C
assistant