Using O=S(=O)(c1ccc(F)cc1F)N(c1cc(Br)cnc1Cl)S(=O)(=O)c1ccc(F)cc1F to produce O=S(=O)(Nc1cc(Br)cnc1Cl)c1ccc(F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.