Using O=C([O-])[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(=O)O to produce O=C([O-])[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.