You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule has both a Slight and a Slight.
user
O=C([O-])C1OC(OC2C(C(=O)O)OC(OC3C(C(=O)[O-])OC(O)C(O)C3O)C(O)C2O)C(O)C(O)C1O.[Ca+2]
assistant