Using COC(=O)[C@H]1CC[C@@H](C(=O)O)N1C(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N1[C@@H](CO)CC[C@H]1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.