Using N#Cc1ccc2c(c1)C(=O)NC2=O, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)CN1C(=O)c2ccc(C#N)cc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.