Using N#Cc1cnc2ccc(N)cc2c1Nc1cccc(Br)c1, CN(C)CC#CC(=O)O to produce CN(C)CC#CC(=O)Nc1ccc2ncc(C#N)c(Nc3cccc(Br)c3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.