Using [N-]=[N+]=NP(=O)(c1ccccc1)c1ccccc1, CC(C)(C)OC(=O)N1C[C@H](O)CC[C@@H]1CCN1C(=O)COc2ccc(C#N)cc21 to produce CC(C)(C)OC(=O)N1C[C@@H](N=[N+]=[N-])CC[C@@H]1CCN1C(=O)COc2ccc(C#N)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.