Using Cc1ccc(S(=O)(=O)c2c(O)c(C(=O)OCC(C)C)cc(O)c2C(=O)OCC(C)C)cc1 to produce Cc1ccc(S(=O)(=O)C2=C(C(=O)OCC(C)C)C(=O)C=C(C(=O)OCC(C)C)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.