Using O=C1CCN(CCCn2c(=O)[nH]c3ccccc32)CC1, Cn1ccc2ccccc21 to produce Cn1cc(C2CCN(CCCn3c(=O)[nH]c4ccccc43)CC2)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.