Using CCOC(=O)CC(=O)c1ccc(Cl)c(Cl)c1, N=C(N)C1CC1 to produce Oc1cc(-c2ccc(Cl)c(Cl)c2)nc(C2CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.