Using COCc1cc(F)cc(F)c1, CC(C)OB1OC(C)(C)C(C)(C)O1 to produce COCc1cc(F)c(B2OC(C)(C)C(C)(C)O2)c(F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.