Using CCOC(=O)C1C2C=CC(=O)C2CN1C(=O)OCc1ccccc1, COC(=O)OC(=O)OC to produce CCOC(=O)C1C2C(=O)CCC2CN1C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.