Using Cc1ccc(S(=O)(=O)n2ccc3nc(CNC(=O)OC(C)(C)C)cnc32)cc1 to produce CC(C)(C)OC(=O)NCc1cnc2[nH]ccc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.