Using CC(C)(C)OC(=O)N1CCN(c2ccc(C=O)cc2)CC1, NO to produce CC(C)(C)OC(=O)N1CCN(c2ccc(/C=N/O)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.