Using CO[C@@H]1CCN(c2c(C(C)Nc3ncnc4[nH]cnc34)cc(Cl)c3cncn23)C1 to produce CC(Nc1ncnc2[nH]cnc12)c1cc(Cl)c2cncn2c1N1CC[C@@H](O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.