Using Cc1c(Cl)ncnc1OC1CCN(C(=O)OC(C)C)CC1, Cc1nc(Cl)ccc1O to produce Cc1nc(Cl)ccc1Oc1ncnc(OC2CCN(C(=O)OC(C)C)CC2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.