Using COC(=O)N[C@H]1CN(Cc2ccccc2)C[C@@H]1N1CC(F)(F)CCC1=O to produce COC(=O)N[C@H]1CNC[C@@H]1N1CC(F)(F)CCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.