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