Using CN1CCN(c2cc(OCCN3CCCC3)cc3ncnc(Cl)c23)CC1 to produce COc1ccc(Cl)c(Nc2ncnc3cc(OCCN4CCCC4)cc(N4CCN(C)CC4)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.