Using O=C(O)Cc1cscc1Nc1c(Cl)cccc1Cl, O=S(=O)(Cl)Cl to produce O=C(O)Cc1csc(Cl)c1Nc1c(Cl)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.