Using [N-]=[N+]=[N-], Cc1ccc(S(=O)(=O)OC[C@@H](O)CP(C)(=O)OCC(C)C)cc1 to produce CC(C)COP(C)(=O)C[C@H](O)CN=[N+]=[N-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.