Using Cc1nc2c(F)c(F)ccc2cc1O, CC(=O)c1c(F)cccc1F to produce CC(=O)c1c(F)cccc1Oc1cc2ccc(F)c(F)c2nc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.