Using Fc1ccc(CBr)cc1, O=C1CCCc2[nH]c3ccc(Cl)cc3c21 to produce O=C1CCCc2c1c1cc(Cl)ccc1n2Cc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.