Using COCOCCc1ccc(Br)cc1, O=Cc1cc(Br)c(OCc2ccccc2)cc1Cl to produce COCOCCc1ccc(C(O)c2cc(Br)c(OCc3ccccc3)cc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.