Using COB(OC)OC, FC(F)(F)c1ccc(OCc2ccccc2)c(I)c1 to produce OB(O)c1cc(C(F)(F)F)ccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.