Using C[C@@H]1OC(=O)N2c3ccc(O)cc3CC[C@@H]12, FC(F)(F)CCCBr to produce C[C@@H]1OC(=O)N2c3ccc(OCCCC(F)(F)F)cc3CC[C@@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.