Using COc1cc(-n2ccc3cc(OC[C@@H]4CCCO4)ccc3c2=O)ccc1N1CCCNCC1, FCCCBr to produce COc1cc(-n2ccc3cc(OC[C@@H]4CCCO4)ccc3c2=O)ccc1N1CCCN(CCCF)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.