Using O=C(O)Cc1ccc(Cl)c(Cl)c1, OCC1CN(Cc2ccccc2)CCN1 to produce O=C(Cc1ccc(Cl)c(Cl)c1)N1CCN(Cc2ccccc2)CC1CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.