Using CCCC[Sn](CCCC)(CCCC)c1cccs1, N#Cc1cn(S(=O)(=O)c2ccccc2)c2ncc(Br)cc12 to produce N#Cc1cn(S(=O)(=O)c2ccccc2)c2ncc(-c3cccs3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.