Using COC(=O)CCc1ccc(SC(C)c2sc(-c3ccc(C(F)(F)F)cc3)cc2I)cc1C, C=C[Sn](CCCC)(CCCC)CCCC to produce C=Cc1cc(-c2ccc(C(F)(F)F)cc2)sc1C(C)Sc1ccc(CCC(=O)OC)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.