Using COC(=O)Cl, CC(C)(C)OC(=O)[C@@H]1[C@H](C=C(Br)Br)C1(C)C to produce COC(=O)C#C[C@H]1[C@@H](C(=O)OC(C)(C)C)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.