Using CCCC[Sn](CCCC)(CCCC)c1ccccc1, CC(C)(C)OC(=O)n1nc(Br)c2cc(C#N)ccc21 to produce N#Cc1ccc2[nH]nc(-c3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.