Using C=CCBr, CC(C)(C)OC(=O)N[C@H](Cc1ccc(O)c(F)c1)C(=O)O to produce C=CCOc1ccc(C[C@@H](NC(=O)OC(C)(C)C)C(=O)O)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.