Using CCCC[Sn](CCCC)(CCCC)c1ccccn1, CS(=O)(=O)c1ccc(-c2oc3ccccc3c(=O)c2Br)cc1 to produce CS(=O)(=O)c1ccc(-c2oc3ccccc3c(=O)c2-c2ccccn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.