Using Fc1ccc(CCBr)cc1, COC(=O)/C=C/c1ccc2c(c1)C(=O)CC1(CCN(C(=O)OC(C)(C)C)CC1)O2 to produce COC(=O)/C=C/c1ccc2c(c1)C(=O)CC1(CCN(CCc3ccc(F)cc3)CC1)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.