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