Using C#Cc1cccnc1, O=C(NC1CC1)c1nn(-c2cccc(Br)c2)c2ncccc2c1=O to produce O=C(NC1CC1)c1nn(-c2cccc(C#Cc3cccnc3)c2)c2ncccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.