Using COC(=O)C[C@@H]1CC[C@@H](NC(=O)OC(C)(C)C)CO1 to produce CC(C)(C)OC(=O)N[C@@H]1CC[C@@H](CC(=O)O)OC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.