Using C#Cc1cccc(NC(=O)C(F)(F)F)c1, Clc1ccnc(Cl)n1 to produce O=C(Nc1cccc(C=Cc2ccnc(Cl)n2)c1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.