Using CC(C)(C)OC(=O)NC1CCN(c2ccc(S(=O)(=O)Nc3nccs3)cc2)CC1 to produce NC1CCN(c2ccc(S(=O)(=O)Nc3nccs3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.