Using O=C(O)c1ccc(-c2ccc(O)cc2)cc1, BrCCCCOc1ccccc1 to produce O=C(O)c1ccc(-c2ccc(OCCCCOc3ccccc3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.