Using O=S(=O)(Cl)Cl, CN(C)S(=O)(=O)c1ccccc1Cl to produce CN(C)S(=O)(=O)c1c(Cl)cccc1S(=O)(=O)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.