Using O=[N+]([O-])c1ccc2c(c1)CNCC2, CC(C)(C)OC(=O)N[C@@H](CC(=O)O)Cc1ccccc1F to produce CC(C)(C)OC(=O)N[C@@H](CC(=O)N1CCc2ccc([N+](=O)[O-])cc2C1)Cc1ccccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.