Using NCc1ccccc1C(F)(F)F, CC(C)(C)OC(=O)NC1CCCC(C(=O)O)C1 to produce NC1CCCC(C(=O)NCc2ccccc2C(F)(F)F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.