Using CC(C)CNc1cc(-c2ccncc2)nn2c(-c3ccc(C4OCCO4)cc3)cnc12 to produce CC(C)CNc1cc(-c2ccncc2)nn2c(-c3ccc(C=O)cc3)cnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.