Using O=C(O)C(F)(F)F, CC(C=CC1C(C)(C)CCC1(C)C)NC(=O)OC(C)(C)C to produce CC(C)(N)C=CC1C(C)(C)CCC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.