Using CC(=NO)C(C)(C)NOCCNC(C)(C)C(CCN1C(=O)c2ccccc2C1=O)=NO to produce CC(=NO)C(C)(C)NOCCNC(C)(C)C(CCN)=NO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.