Using N#Cc1ccc(-c2cnc(N3CCOCC3)c3nc(CO)cn23)cn1, [N-]=[N+]=[N-] to produce OCc1cn2c(-c3ccc(-c4nnn[nH]4)nc3)cnc(N3CCOCC3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.