Using CC(=O)OCC(COC(C)=O)Oc1ccc([N+](=O)[O-])c2c1CCN2C(=O)CCCN=[N+]=[N-] to produce [N-]=[N+]=NCCCC(=O)N1CCc2c(OC(CO)CO)ccc([N+](=O)[O-])c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.