Using CC[C@H](C)[C@@H](CN(C(=O)[C@@H]1C[C@H]1c1ccc(F)cn1)c1ccc(O)cc1)NC(=O)OC(C)(C)C, BrCC1CCC1 to produce CC[C@H](C)[C@@H](CN(C(=O)[C@@H]1C[C@H]1c1ccc(F)cn1)c1ccc(OCC2CCC2)cc1)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.