Using CCN(CC)CCCl, O=C(c1ccc(O)cc1)c1c(Cc2ccc(Cl)cc2)oc2ccccc12 to produce CCN(CC)CCOc1ccc(C(=O)c2c(Cc3ccc(Cl)cc3)oc3ccccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.