Using COC(=O)c1cc(Br)cc(C(=O)OC)c1, C#CC12CC3CC(CC(C3)C1)C2 to produce COC(=O)c1cc(C#CC23CC4CC(CC(C4)C2)C3)cc(C(=O)OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.