Using CSc1ncc(-c2ccc(O)c(F)c2)c(=O)n1C, Nc1ccc(F)cc1 to produce Cn1c(Nc2ccc(F)cc2)ncc(-c2ccc(O)c(F)c2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.