Using CCOC(=O)C1(NC(=O)c2ccc(C)cc2Br)Cc2ccccc2C1 to produce Cc1ccc(C(=O)NC2(C(=O)O)Cc3ccccc3C2)c(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.