Using CCOC(=O)c1cn([C@@H]2C[C@@H]2F)c2cc(F)c(F)c(C)c2c1=O to produce Cc1c(F)c(F)cc2c1c(=O)c(C(=O)O)cn2[C@@H]1C[C@@H]1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.