Using CC1(c2ccc(Cl)cc2)NS(=O)(=O)NC1c1ccc(Cl)cc1 to produce CC(N)(c1ccc(Cl)cc1)C(N)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.