Using O=S(=O)(Cl)c1cccnc1, CSc1ccccc1-c1cc(C=O)c[nH]1 to produce CSc1ccccc1-c1cc(C=O)cn1S(=O)(=O)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.