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
O=C([O-])C(O)C(O)C(O)C(O)CO.O=C([O-])C(O)C(O)C(O)C(O)CO.[Mn+2]
assistant