Using CCOC(=O)c1cc(-c2ccccc2)n(S(=O)(=O)c2ccc(OC)cc2)c1 to produce COc1ccc(S(=O)(=O)n2cc(C=O)cc2-c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.