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
C=C1C2(C)OC(=O)C3(O)C(C)OC(=O)C13C1(C)CCC3(C=CC(=O)OC3(C)C)C(C)=C1C2O
assistant