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