Using N#Cc1cc(CBr)ccc1Cl, COc1ccc(C(=O)C2CCN(C3CCNC3=O)CC2)cc1 to produce COc1ccc(C(=O)C2CCN(C3CCN(Cc4ccc(Cl)c(C#N)c4)C3=O)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.