Using COC(=O)COC1(c2ccccc2OC)C(=O)Nc2ccc(Cl)cc21 to produce COc1ccccc1C1(OCC(=O)O)C(=O)Nc2ccc(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.