Using ClC(Cl)Cl, COc1cc(C=O)cc(C=O)c1 to produce COc1cc(C(O)C(Cl)(Cl)Cl)cc(C(O)C(Cl)(Cl)Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.