Using CC(C)=CCBr, CC(C)(C)OC(=O)N[C@@H](Cc1ccccc1)[C@@H]1CCC(=O)O1 to produce CC(C)=CC[C@@H]1C[C@@H]([C@H](Cc2ccccc2)NC(=O)OC(C)(C)C)OC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.