Using Cc1ccc(OCc2cccc(Cl)c2)cc1C(=O)OCc1cccc(Cl)c1 to produce Cc1ccc(OCc2cccc(Cl)c2)cc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.