Using Cc1cncc2cccc(S(=O)(=O)N(CCCNC(=O)OC(C)(C)C)CCCc3ccccc3)c12 to produce Cc1cncc2cccc(S(=O)(=O)N(CCCN)CCCc3ccccc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.