Using COC(=O)C(=Cc1ccc(F)c(F)c1)C(C)=O, COC(=N)N to produce COC(=O)C1=C(C)N=C(OC)NC1c1ccc(F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.