Using C#CCNC(=O)OC(C)(C)C, CCCN(CCC)C(=O)Nc1cccc(Br)c1 to produce CCCN(CCC)C(=O)Nc1cccc(C#CCNC(=O)OC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.