Using C1CCNC1, Cc1ccc(C23CC(=O)CCN2CCc2ccccc23)cc1 to produce Cc1ccc(C23CC(N4CCCC4)CCN2CCc2ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.