Using N[C@H]1CC[C@@H]2CN(c3cccc(C(F)(F)F)n3)C[C@@H]21, O=C(O)c1ccc(F)cc1 to produce O=C(N[C@H]1CC[C@@H]2CN(c3cccc(C(F)(F)F)n3)C[C@@H]21)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.