Using COC(=O)c1cc(Cl)cc(C=O)c1O, COC(=O)C(Br)c1ccccc1 to produce O=C(O)c1cc(Cl)cc2cc(-c3ccccc3)oc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.