Using CCOC(=O)CN=[N+]=[N-], CCOOP(=O)(OOCC)C(O)c1ccc(C=O)cc1 to produce CCOOP(=O)(OOCC)C(O)c1ccc(C=C(N=[N+]=[N-])C(=O)OC)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.