Using OB(O)c1ccc(Cl)cc1, Cc1ccc(S(=O)(=O)C2C=Nc3ccccc3C2(O)Cl)cc1 to produce Cc1ccc(S(=O)(=O)c2cnc3ccccc3c2-c2ccc(Cl)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.