Using CC1(C)OC(c2ccc(-c3ccc(Cl)cc3)cc2)OC1=O to produce CC(C)(OCc1ccc(-c2ccc(Cl)cc2)cc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.