Using NC(=O)c1cccn1N, CC(C)(C)OC(=O)CC[C@H](NC(=O)OC(C)(C)C)C(=O)O to produce CC(C)(C)OC(=O)CC[C@H](NC(=O)OC(C)(C)C)C(=O)Nn1cccc1C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.