Using N=C(N)Nc1ccc(-c2cnco2)cc1, COC(=O)C1CN(C(C)=O)CCC1=O to produce CC(=O)N1CCc2nc(Nc3ccc(-c4cnco4)cc3)nc(O)c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.