Using Nc1cc(F)c(F)cc1C(=O)O, NCC(=O)NCC1CCN(Cc2ccc(Cl)cc2)C1 to produce Nc1cc(F)c(F)cc1C(=O)NCC(=O)NCC1CCN(Cc2ccc(Cl)cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.