Using CCNC(=O)OCc1ccccc1, CC(C)(O)c1ccc(Br)c(CBr)c1 to produce CCN(Cc1cc(C(C)(C)O)ccc1Br)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.