Using Nc1c(F)ccc(O)c1F, COc1c(C)cc(-c2cccc(F)c2)cc1C(=O)O to produce COc1c(C)cc(-c2cccc(F)c2)cc1C(=O)Nc1c(F)ccc(O)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.