Using COC(=O)c1sc2ncnc(Cl)c2c1C, Nc1cccnc1O[C@@H]1CCOC1 to produce COC(=O)c1sc2ncnc(Nc3cccnc3O[C@@H]3CCOC3)c2c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.