Using CC(C)(C)OC(=O)N1CCN(c2n[nH]c3ncnc(Nc4cccc(Cl)c4)c23)CC1 to produce Clc1cccc(Nc2ncnc3[nH]nc(N4CCNCC4)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.