Using Cc1c(Cl)cc(C(C)O)c(-c2cc(F)cc(F)c2)c1C(=O)O, CCN to produce CCNC(=O)c1c(C)c(Cl)cc(C(C)O)c1-c1cc(F)cc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.