Using CN1CCNCC1, CC1(C)CC(=O)CCC1NC(=O)OCc1ccccc1 to produce CN1CCN(C2CCC(NC(=O)OCc3ccccc3)C(C)(C)C2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.