Using CCOCc1nc2c(N)nc3ccccc3c2n1CCCl, [N-]=[N+]=[N-] to produce CCOCc1nc2c(N)nc3ccccc3c2n1CCN=[N+]=[N-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.