Using O=C1c2ccccc2C(=O)N1CCCCCCCC(c1ccc(F)cc1)c1ccc(F)cc1 to produce NCCCCCCCC(c1ccc(F)cc1)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.