Using C=C[Sn](CCCC)(CCCC)CCCC, C=CCCCC(=O)CCC(C)OC(=O)c1c(OC)cc(OC)cc1OS(=O)(=O)C(F)(F)F to produce C=CCCCC(=O)CCC(C)OC(=O)c1c(C=C)cc(OC)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.