Using [N-]=[N+]=NCCCO, C=CCOc1nc(OCC=C)nc(OCC=C)n1 to produce C=CCOc1nc(OCC=C)nc(OCCCN=[N+]=[N-])n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.