Using Cc1c(Cl)cccc1S(=O)(=O)Cl, Nc1ccc2ncccc2c1 to produce Cc1c(Cl)cccc1S(=O)(=O)Nc1ccc2ncccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.