Using C=CCBr, O=C(N[C@H]1C[C@@H](O)c2ccc(Br)cc21)C(F)(F)F to produce C=CCO[C@@H]1C[C@H](NC(=O)C(F)(F)F)c2cc(Br)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.