Using Cn1ncnc1CO, Cc1cc(-c2nnc3c4cccnc4c(Cl)nn23)no1 to produce Cc1cc(-c2nnc3c4cccnc4c(OCc4ncnn4C)nn23)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.