Using C#Cc1ccccc1, CN1Cc2c(I)ncn2-c2cccc(Br)c2C1=O to produce CN1Cc2c(C#Cc3ccccc3)ncn2-c2cccc(Br)c2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.