Using CC(C)(C)OC(=O)N1CC(C(O)c2ccc(Cl)cc2)C1, II to produce CC(C)(C)OC(=O)N1CC(C(I)c2ccc(Cl)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.