Using CC#CC(CC(=O)OC)c1ccc(OCN2C(=O)CC(C)(C)c3cc(Br)ccc32)cc1 to produce CC#CC(CC(=O)O)c1ccc(OCN2C(=O)CC(C)(C)c3cc(Br)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.