Using O=C1C(=Cc2ccccc2F)CNCC1=Cc1ccccc1F, CCCCCCCCCCCCCCCCCC(=O)Cl to produce CCCCCCCCCCCCCCCCCC(=O)N1CC(=Cc2ccccc2F)C(=O)C(=Cc2ccccc2F)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.