Using COc1nc(Nc2ccc(OC(F)F)cc2)ncc1CCl, O=c1ccc2cc(O)ccc2[nH]1 to produce COc1nc(Nc2ccc(OC(F)F)cc2)ncc1COc1ccc2[nH]c(=O)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.