Using CCOC(=O)C(C)(N=[N+]=[N-])C1NC(C(=O)OCc2ccccc2)C(C)(C)S1 to produce CC1(C)SC(C(C)(N=[N+]=[N-])C(=O)O)NC1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.