Using CC(=O)OC(C)=O, O=S(=O)([O-])c1c(S(=O)(=O)[O-])c2ccc3cccc4cc(O)c(c1S(=O)(=O)[O-])c2c34 to produce CC(=O)Oc1cc2cccc3ccc4c(S(=O)(=O)[O-])c(S(=O)(=O)[O-])c(S(=O)(=O)[O-])c1c4c32, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.