Using O=C1CCC(=O)N1Br, COC(=O)Cc1ccc(C#Cc2ccc(CO)c(C(C)C)c2)cc1 to produce COC(=O)Cc1ccc(C#Cc2ccc(CBr)c(C(C)C)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.