Using CCCCOC(=O)c1cc(Br)c2c(N)ncnn12, CC(C)(C)OC(=O)Nc1ccc(B(O)O)cc1 to produce CCCCOC(=O)c1cc(-c2ccc(NC(=O)OC(C)(C)C)cc2)c2c(N)ncnn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.