Using CCCC[Sn](CCCC)(CCCC)C1=CCCC1, COc1ccnc2c1cc(I)n2S(=O)(=O)c1ccccc1 to produce COc1ccnc2c1cc(C1=CCCC1)n2S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.