Using Nc1ncc(-c2cnn(C3CCC4(CC3)OCCO4)c2)cc1-c1nc2ccccc2s1 to produce Nc1ncc(-c2cnn(C3CCC(=O)CC3)c2)cc1-c1nc2ccccc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.