Using CC(=O)OC(C)=O, Nc1cccc(-c2cccc(-n3cnc4cc(C(F)(F)F)ccc43)c2)c1 to produce CC(=O)Nc1cccc(-c2cccc(-n3cnc4cc(C(F)(F)F)ccc43)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.