Using O=C(CCC1c2ccccc2C(=O)N1Cc1ccccc1)Nc1nccs1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NCCC1c2ccccc2C(=O)N1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.