Using O=C1CCCc2cc(OS(=O)(=O)C(F)(F)F)ccc21, CC1(C)OB(C2=CCOCC2)OC1(C)C to produce O=C1CCCc2cc(C3=CCOCC3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.