Using CC(C)OC(=O)N1C[C@@H]2C[C@H]1CN2C(=O)OC(C)(C)C to produce CC(C)OC(=O)N1C[C@@H]2C[C@H]1CN2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.