Using OO, COc1ccc2c(c1)c(CC(C)CC(=O)N1C(=O)OC[C@H]1C(C)C)c(C)n2Cc1ccc(Br)cc1 to produce COc1ccc2c(c1)c(CC(C)CC(=O)O)c(C)n2Cc1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.