Using NN1CCN(CC(O)c2c[nH]c3ccccc23)CC1, O=C(Cl)c1ccccc1 to produce O=C(NN1CCN(CC(O)c2c[nH]c3ccccc23)CC1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.