Using COC(=O)[C@H]1[C@@H]2C[C@@H](O)[C@@](N=[N+]=[N-])(C(=O)OC)[C@@H]21 to produce COC(=O)[C@H]1[C@@H]2CC(=O)[C@@](N=[N+]=[N-])(C(=O)OC)[C@@H]21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.