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 nutrient. Please write the SMILES representation of it.
user
CC1(C)CCC2(C=O)CC=C3C(C)(CCC4C3(C)CCC3C(C)(C)C(O)CCC43C)C2C1
assistant