Using FC(F)(F)c1cccc2c(Cl)ccnc12, Nc1ccc(C(=O)O)cc1 to produce O=C(O)c1ccc(Nc2ccnc3c(C(F)(F)F)cccc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.