Using C#Cc1ccccc1, CCN(CC)c1ccc2c(-c3ccc(Br)cc3)cc(=O)oc2c1 to produce CCN(CC)c1ccc2c(-c3ccc(C#Cc4ccccc4)cc3)cc(=O)oc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.