Using CCOC(=O)CN1C(=O)C(N=[N+]=[N-])CCc2ccc(OC)cc21 to produce COc1ccc2c(c1)N(CC(=O)O)C(=O)C(N=[N+]=[N-])CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.