Using CCCC[Sn](CCCC)(CCCC)c1ccco1, Cc1cc(-c2ccc(S(C)(=O)=O)cc2)n(-c2ccc(Br)cc2)c1 to produce Cc1cc(-c2ccc(S(C)(=O)=O)cc2)n(-c2ccc(-c3ccco3)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.