Using CC(C)(C)OC(=O)CC(=O)C[C@H](O)COC(=O)c1ccccc1 to produce CC(C)(C)OC(=O)C[C@H](O)C[C@H](O)COC(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.