Using CCCC[Sn](CCCC)(CCCC)c1ccccn1, Cc1ccc(N2C(=O)c3ccccc3C2=O)nc1Br to produce Cc1ccc(N2C(=O)c3ccccc3C2=O)nc1-c1ccccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.