Using COCCOCOc1cc(O)c(C(C)=O)c(OCOCCOC)c1, BrCc1ccccc1 to produce COCCOCOc1cc(OCOCCOC)c(C(C)=O)c(OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.