Using CCOC(=O)C(C(=O)OCC)C(CC(=O)OCc1ccccc1)c1ccccc1 to produce CCOC(=O)C(C(=O)OCC)C(CC(=O)O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.