Using COC(=O)c1nc(Cl)c(F)c(N)c1OC, C=C[Sn](CCCC)(CCCC)CCCC to produce C=Cc1nc(C(=O)OC)c(OC)c(N)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.