Using CCOC(=O)C1CN(S(=O)(=O)c2cc3ccc(Cl)cc3s2)CCN1C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1CCN(S(=O)(=O)c2cc3ccc(Cl)cc3s2)CC1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.