Using COc1c(C)cc(-c2nc3cnc(Oc4ccccc4F)nc3o2)cc1C to produce Cc1cc(-c2nc3cnc(Oc4ccccc4F)nc3o2)cc(C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.