Using Cn1ccnc1NC(=O)[C@H](CCC(=O)OCc1ccccc1)NC(=O)OC(C)(C)C to produce COC(=O)CC[C@H](N)C(=O)Nc1nccn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.