Using CCOC(=O)C(CC(=O)OCc1ccccc1)(C(=O)OCC)n1cccc1 to produce CCOC(=O)C(CC(=O)O)(C(=O)OCC)n1cccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.