Using CC(C)(C)OC(=O)CN1C[C@H](c2ccccc2)CC[C@@H](N=[N+]=[N-])C1=O to produce CC(C)(C)OC(=O)CN1C[C@H](c2ccccc2)CC[C@@H](N)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.