Using NCC(=O)O, COC(=O)C(C)(C)CCC(=O)c1cccc(C(F)(F)F)c1 to produce CC1(C)CCC(c2cccc(C(F)(F)F)c2)N(CC(=O)O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.