Using NS(=O)(=O)Oc1c(Cl)cccc1Cl, COc1cc(OC)nc(C(=O)O)n1 to produce COc1cc(OC)nc(C(=O)NS(=O)(=O)Oc2c(Cl)cccc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.