Using Fc1ccc(CCCBr)cc1, C=CCOc1ccc2c(c1)CCNC2=O to produce C=CCOc1ccc2c(c1)CCN(CCCc1ccc(F)cc1)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.