Using CCOC=Nc1ccccc1, CC[n+]1c(C)n(CC(F)(F)F)c2cc(Cl)c(Cl)cc21 to produce CC[n+]1c(C=CNc2ccccc2)n(CC(F)(F)F)c2cc(Cl)c(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.