Using NS(=O)(=O)c1ccc(C(=O)O)cc1, O=Cc1ccccc1 to produce O=C(O)c1ccc(S(=O)(=O)N=Cc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.