Using CI, O[C@@H]1CCN(c2cnc(-c3nn(Cc4ccccc4F)c4ncccc34)nc2)C1 to produce CO[C@H]1CCN(c2cnc(-c3nn(Cc4ccccc4F)c4ncccc34)nc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.