Using O=C(O)c1ccc(Br)c(F)c1, Cc1cnc(N2CCNCC2)c(C)c1 to produce Cc1cnc(N2CCN(C(=O)c3ccc(Br)c(F)c3)CC2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.