Using CCOC(=O)[C@@H]1CCC(C)CN1C(=O)OC(C)(C)C to produce CC1CC[C@@H](C(=O)O)N(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.