Using OCC1(CBr)COC1, COc1c(OC(F)F)ccc(-c2ccc3c(c2)COC3=O)c1O to produce COc1c(OC(F)F)ccc(-c2ccc3c(c2)COC3=O)c1OCC1(CO)COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.