Using CCOC(=O)C(NC(=O)CCc1cnc2ccc(OC)cc2c1)C(=O)OCC to produce CCOC(=O)C(NC(=O)CCc1cnc2ccc(O)cc2c1)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.