Using COS(=O)(=O)OC, O=S(=O)(NCc1cc(CBr)cs1)c1ccccc1 to produce CN(Cc1cc(CBr)cs1)S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.