Using C=C(CS(=O)(=O)c1ccccc1)C(=O)OCC, CCCC[SnH](CCCC)CCCC to produce C=C(C[Sn](CCCC)(CCCC)CCCC)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.