Using C=CC[C@@H](C(=O)OC(C)C)[C@H](O)C(=O)OC(C)C, CCOc1ccc(Br)cc1 to produce CCOc1ccc(/C=C/C[C@@H](C(=O)OC(C)C)[C@H](O)C(=O)OC(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.