Using CC(C)(C)OC(=O)N1CCC(C(=O)Cc2nc(-c3ccc(S(C)(=O)=O)cc3)ncc2Cl)CC1 to produce CC(C)(C)OC(=O)N1CCC(C(O)Cc2nc(-c3ccc(S(C)(=O)=O)cc3)ncc2Cl)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.