Using [NH4+], COC(=O)c1cccn1CC(=O)c1ccc(C(F)(F)F)cc1 to produce O=c1[nH]c(-c2ccc(C(F)(F)F)cc2)cn2cccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.