Using C#Cc1ccccc1, CC(Nc1nc2cc[nH]c(=O)c2c2cc(Br)ccc12)C(C)(C)C to produce CC(Nc1nc2cc[nH]c(=O)c2c2cc(C#Cc3ccccc3)ccc12)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.