Using NC(=O)Cc1cnc(Nc2ccc(N)cc2)cc1NCc1ccccc1, N#CCCCBr to produce N#CCCCNc1ccc(Nc2cc(NCc3ccccc3)c(CC(N)=O)cn2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.