Using Nc1nc(Cl)cc(Cl)n1, O[C@H](c1ccc(Cl)cc1Br)C(F)(F)F to produce Nc1nc(Cl)cc(O[C@H](c2ccc(Cl)cc2Br)C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.