Using CCOC(=O)C1CCN(C(=O)OC(C)(C)C)CCC1=O, N=C(N)Cc1ccccc1 to produce CC(C)(C)OC(=O)N1CCc2nc(Cc3ccccc3)[nH]c(=O)c2CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.