Using CCOC(=O)C(=CN[C@@H]1C[C@@H]1F)C(=O)c1c(C)c(F)c(F)c(F)c1F to produce CCOC(=O)c1cn([C@@H]2C[C@@H]2F)c2c(F)c(F)c(F)c(C)c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.