Using Cc1c(-c2ccccc2)n(-c2cccc(S(C)=O)c2)c(-c2ccccc2)cc1=O, O=S([O-])OO to produce Cc1c(-c2ccccc2)n(-c2cccc(S(C)(=O)=O)c2)c(-c2ccccc2)cc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.