Using N=C(N)N1CCCC1, COC(=O)c1ccc(C)c(C(=O)C(C)Br)c1 to produce COC(=O)c1ccc(C)c(-c2[nH]c(N3CCCC3)nc2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.