Using CN, O=Cc1cn(S(=O)(=O)c2ccccc2)c(-c2ccccc2)c1-c1ccccc1 to produce CNCc1cn(S(=O)(=O)c2ccccc2)c(-c2ccccc2)c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.