Using OB(O)c1cc2c(cc1-c1ccc(F)cc1)OCO2, NS(=O)(=O)c1ccc(Br)cc1 to produce NS(=O)(=O)c1ccc(-c2cc3c(cc2-c2ccc(F)cc2)OCO3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.