Using Cn1cc(NC(=O)OC(C)(C)C)cc1C(=O)O, On1nnc2ccccc21 to produce Cn1cc(NC(=O)OC(C)(C)C)cc1C(=O)On1nnc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.