Using CNCC(CCO)c1ccc(Cl)cc1, O=C(Cl)c1cccc2c1CCCC2 to produce CN(CC(CCO)c1ccc(Cl)cc1)C(=O)c1cccc2c1CCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.