Using Cc1ccn2nc(S(=O)(=O)Nc3c(Cl)cccc3Cl)nc2n1 to produce CC1CCn2nc(S(=O)(=O)Nc3c(Cl)cccc3Cl)nc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.