Using BrCc1ccccc1, Fc1ccc(-c2noc(-c3cc(F)cc(-c4cccnc4)c3)n2)nc1 to produce Fc1ccc(-c2noc(-c3cc(F)cc(C4=CCCN(Cc5ccccc5)C4)c3)n2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.