Using O=C(O)c1cccc(F)c1C(F)(F)F, Cc1cc(C)c(CN)c(=O)[nH]1 to produce Cc1cc(C)c(CNC(=O)c2cccc(F)c2C(F)(F)F)c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.