Using CCOC(C)=O, N#CC1(C(F)F)c2cc(Cl)ccc2Nc2ncccc21 to produce O=CC1(C(F)F)c2cc(Cl)ccc2Nc2ncccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.