Using OB(O)c1ccccc1, CC(C)S(=O)(=O)Nc1ccsc1-c1ccc(Br)cc1 to produce CC(C)S(=O)(=O)Nc1ccsc1-c1ccc(-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.