Using CON(C)C(=O)c1cccc(C(F)(F)F)c1, Cc1ccnc(F)c1 to produce O=C(Cc1ccnc(F)c1)c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.