Using CC(=O)n1nc(CBr)c2ccc(F)cc21, COc1ccc(N2CCNCC2)cc1 to produce COc1ccc(N2CCN(Cc3nn(C(C)=O)c4cc(F)ccc34)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.