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