Using Cc1cc(-c2nnc3c4ccccc4c(OCc4nc(CO)nn4C)nn23)no1 to produce Cc1cc(-c2nnc3c4ccccc4c(OCc4nc(C=O)nn4C)nn23)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.