Using Fc1ccc(SCCCBr)cc1, CCc1nc2ccccc2n1C1CCNCC1 to produce CCc1nc2ccccc2n1C1CCN(CCCSc2ccc(F)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.