Using CC(C)(C)OC(=O)N1CCNCC1, Fc1ccc(-c2csc(Br)n2)cc1 to produce CC(C)(C)OC(=O)N1CCN(c2nc(-c3ccc(F)cc3)cs2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.