Using CN1CCC(=O)CC1, CC(C)(C)OC(=O)Nc1cccc(N)c1 to produce CN1CCC(Nc2cccc(NC(=O)OC(C)(C)C)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.