Using CCOC(=O)C(C)(C)C(=O)C(COC(C)(C)C)NC(=O)OCc1ccccc1 to produce CC(C)(C)OCC1NC(=O)C(C)(C)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.