Using C#C[Sn](CCCC)(CCCC)CCCC, CC(C)(C)OC(=O)N1CCC[C@H]1c1nc(-c2ccc(Br)cc2)c[nH]1 to produce C#Cc1ccc(-c2cnc([C@@H]3CCCN3C(=O)OC(C)(C)C)[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.