Using CCOC(=O)CC1(C[N+](=O)[O-])CCC[C@H](Nc2nc(Cl)ncc2F)C1 to produce O=C1CC2(CCC[C@H](Nc3nc(Cl)ncc3F)C2)CN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.