Using COC(=O)c1cc(O)c2c(c1)OC(C)(C)C2, OB(O)c1cc(F)cc(F)c1 to produce COC(=O)c1cc(Oc2cc(F)cc(F)c2)c2c(c1)OC(C)(C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.