Using NCc1ccc(Cl)c(Cl)c1, COc1ccc(CN(c2nccs2)S(=O)(=O)c2ccc(C(=O)O)cc2)c(OC)c1 to produce O=C(NCc1ccc(Cl)c(Cl)c1)c1ccc(S(=O)(=O)Nc2nccs2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.