Using BrCc1ccccc1, COC(=O)c1cccc(Br)c1NS(=O)(=O)c1ccc(OC)cc1 to produce COC(=O)c1cccc(Br)c1N(Cc1ccccc1)S(=O)(=O)c1ccc(OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.