Using COC(=O)c1ccc2c(c1)ncn2CCCl, [N-]=[N+]=[N-] to produce COC(=O)c1ccc2c(c1)ncn2CCN=[N+]=[N-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.