Using CCNCc1ccccc1, COC(=O)CCc1ccc(OCc2cccc(Br)c2)cc1 to produce CCN(Cc1ccccc1)c1cccc(COc2ccc(CCC(=O)O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.