Using Cn1ncc2c1-c1ccc(Cl)cc1C(c1ccccc1F)OC2=O to produce Cn1ncc(CO)c1-c1ccc(Cl)cc1C(O)c1ccccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.