Using O=C1CN(C(=O)OCc2ccccc2)CCN1, COc1ccc(CCl)cc1 to produce COc1ccc(CN2CCN(C(=O)OCc3ccccc3)CC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.