Using N#[N+]c1ccc(Cl)c(Cl)c1, COC(=O)CC(=O)CC(=O)OC to produce COC(=O)CC(=O)/C(=N\Nc1ccc(Cl)c(Cl)c1)C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.