Using CCCC[Sn](CCCC)(CCCC)c1nccs1, Cc1c(Nc2c(I)cncc2C#N)ccc2[nH]ccc12 to produce Cc1c(Nc2c(C#N)cncc2-c2nccs2)ccc2[nH]ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.