Using COC(=O)C(C1CCC(=O)C1)S(=O)(=O)c1ccccc1, CI to produce COC(=O)C(C)(C1CCC(=O)C1)S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.