Using COC(=O)c1cc(F)c(F)c(S(=O)(=O)C(F)(F)F)c1F, C=C[Sn](CCCC)(CCCC)CCCC to produce C=Cc1c(F)c(F)cc(C(=O)O)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.