Using OCCNCc1ccccc1, O=C(O)C1OC1c1ccc(Cl)c(Cl)c1 to produce O=C(C1OC1c1ccc(Cl)c(Cl)c1)N(CCO)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.