Using CCCCC(C(=O)OCC)=C(N)OCC, NNCc1ccc(Cl)c(Cl)c1 to produce CCCCc1c(N)[nH]n(Cc2ccc(Cl)c(Cl)c2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.