Using CCCCOC(=O)c1ccc(N(CC)C(C)c2cc(Br)ccc2OCc2ccccc2)nn1 to produce CCN(c1ccc(C(=O)O)nn1)C(C)c1cc(Br)ccc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.