Using CC(C)(C)OC(=O)N[C@@H](COCc1ccccc1)C(=O)ON1C(=O)CCC1=O, CC(C)(C)OC(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(=N)N[N+](=O)[O-])C(=O)NCC(N)=O to produce CC(C)(C)OC(=O)N[C@@H](COCc1ccccc1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(=N)N[N+](=O)[O-])C(=O)NCC(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.