Using CC(=O)O[C@@H]1C[C@@H]2OC(=O)C[C@@H]2[C@H]1CC1OCCO1 to produce O=C1C[C@@H]2[C@@H](CC3OCCO3)[C@H](O)C[C@@H]2O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.