Using CN(C)S(=O)(=O)n1cnc(-c2ccc(Cl)cc2Cl)c1, CN(C)C=O to produce CN(C)S(=O)(=O)n1cc(-c2ccc(Cl)cc2Cl)nc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.