Using OB(O)c1ccc(Cl)cc1Cl, FC(F)(F)c1nc2cc(Cl)c(I)cc2[nH]1 to produce FC(F)(F)c1nc2cc(Cl)c(-c3ccc(Cl)cc3Cl)cc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.