Using ClCc1ccc(Cl)cc1, COc1ccc(COc2ccc(OC)nc2)cc1 to produce COc1ccc(COc2ccc(=O)n(Cc3ccc(Cl)cc3)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.