Using O=Cc1coc2cc(OC(=O)OCC(Cl)(Cl)Cl)c(OC(=O)OCC(Cl)(Cl)Cl)cc2c1=O, NS(=O)(=O)O to produce O=C(OCC(Cl)(Cl)Cl)Oc1cc2occ(C(=O)O)c(=O)c2cc1OC(=O)OCC(Cl)(Cl)Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.