Using COC(=O)C(C)(C)c1ccc(Br)cc1, C#Cc1c(C)nc2ncnn2c1N to produce COC(=O)C(C)(C)c1ccc(C#Cc2c(C)nc3ncnn3c2N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.