Using C=CCBr, Cc1ccc(C(=O)c2ccc(CC(=O)O)n2C)cc1 to produce C=CCOC(=O)Cc1ccc(C(=O)c2ccc(C)cc2)n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.