Using O=P(O)(OS(=O)(=O)O)c1ccccc1, O=P(O)(O)c1ccccc1 to produce O=P(O)(O)c1cccc(S(=O)(=O)O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.