Using CC(=NS(=O)CC(C)C)C(Cc1ccc(Cl)cc1Cl)c1ccc(Cl)cc1 to produce CC(C)CS(=O)NC(C)C(Cc1ccc(Cl)cc1Cl)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.