Using N=C(N)CCNC(=O)OCc1ccccc1, CCOC(=O)CC(=O)c1ccncn1 to produce O=C(NCCc1nc(-c2ccncn2)cc(=O)[nH]1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.