Using O=C(NC1Cc2ccc([N+](=O)[O-])cc2C1)c1ccc(F)cc1 to produce Nc1ccc2c(c1)CC(NC(=O)c1ccc(F)cc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.