Using COC(=O)c1cccc(C#CC(=O)Oc2cc(C)c(Br)c(C)c2)c1 to produce COC(=O)c1cccc(-c2cc(=O)oc3cc(C)c(Br)c(C)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.