Using Cc1cccc(-c2c(F)cccc2[C@H](O)[C@H]2CN(C(=O)OC(C)(C)C)CCO2)c1, CCOC(=O)CCBr to produce CCOC(=O)CO[C@@H](c1cccc(F)c1-c1cccc(C)c1)[C@H]1CN(C(=O)OC(C)(C)C)CCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.