Using Nc1cc(Cl)ccc1OC1CCC(O)CC1, O=C(O)c1cnn2cnccc12 to produce O=C(Nc1cc(Cl)ccc1OC1CCC(O)CC1)c1cnn2cccnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.