Using CCOc1cc(Cc2cnc(N)nc2N)cc(OCC2(/C=C/C#N)CC2)c1-c1ccc(OCOC)cc1 to produce CCOc1cc(Cc2cnc(N)nc2N)cc(OCC2(/C=C/C#N)CC2)c1-c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.