Using O=C(OCc1ccccc1)N1CCCC(O)(c2ccccc2)C1, [N-]=[N+]=[N-] to produce [N-]=[N+]=NC1(c2ccccc2)CCCN(C(=O)OCc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.