Using COC(=O)[C@@H]1CCCN1S(=O)(=O)c1cc(Cl)cc(Cl)c1 to produce O=C(O)[C@@H]1CCCN1S(=O)(=O)c1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.