Using N#Cc1cccc(B(O)O)c1, CCOC(=O)C1=Cc2ccc(Br)cc2N=C(NC(=O)OC(C)(C)C)C1 to produce CCOC(=O)C1=Cc2ccc(-c3cccc(C#N)c3)cc2N=C(NC(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.