Using COC(=O)Cc1cc(O)cc(CC(=O)OC)c1, BrCC=Cc1ccccc1 to produce COC(=O)Cc1cc(CC(=O)OC)cc(OCC=Cc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.