Using CS(=O)(=O)Cl, CC(O)(c1ccc2cc(Br)ccc2n1)C(F)(F)F to produce CC(OS(C)(=O)=O)(c1ccc2cc(Br)ccc2n1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.