Using O=S(=O)(c1ccccc1)N(c1ccc(Br)cc1I)S(=O)(=O)c1ccccc1 to produce O=S(=O)(Nc1ccc(Br)cc1I)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.