Using Cc1ccc2nc(-c3nc(Br)cnc3N)[nH]c2c1, C#CCNC(N)=O to produce Cc1ccc2nc(-c3nc(C#CCNC(N)=O)cnc3N)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.