Using CNCC=CC#CC(C)(C)C, CCC(=O)c1cccc(CBr)c1 to produce CCC(=O)c1cccc(CN(C)C/C=C/C#CC(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.