Using C1NCC2=C1CNC2, O=C(O)c1cn(CCF)c2c(F)c(F)c(F)cc2c1=O to produce O=C(O)c1cn(CCF)c2c(F)c(N3CC4=C(CNC4)C3)c(F)cc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.