Using O=C1Nc2ccc(S(=O)(=O)[O-])cc2C1=O, O=P(Cl)(Cl)Cl to produce O=C1Nc2ccc(S(=O)(=O)Cl)cc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.