Using COc1cc2c(cc1[N+](=O)[O-])N(C)C(=O)CN(C(=O)C(F)(F)F)C2 to produce COc1cc2c(cc1[N+](=O)[O-])N(C)C(=O)CNC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.