Using O=C(O)Cc1c[nH]nn1, CNCCC1CCN(C(=O)OCc2cc(Cl)cc(Cl)c2)CC1 to produce CN(CCC1CCN(C(=O)OCc2cc(Cl)cc(Cl)c2)CC1)C(=O)Cc1c[nH]nn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.