Using CC(C)(C)OCCn1cc(-c2cnc(N)c(-c3nc4ccccc4o3)c2)cn1 to produce Nc1ncc(-c2cnn(CCO)c2)cc1-c1nc2ccccc2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.