Using O=C(c1cc(O)c(O)c(O)c1)c1ccc(O)c(O)c1O, O=C(CBr)c1ccccc1 to produce O=C(COc1c(O)cc(C(=O)c2ccc(O)c(O)c2O)cc1O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.