Using OB(O)c1cccnc1F, CC(C)(C)OC(=O)N(C(=O)c1ccccc1)C1=N[C@@]2(c3cc(Br)cs3)CCOC[C@H]2CS1 to produce NC1=N[C@@]2(c3cc(-c4cccnc4F)cs3)CCOC[C@H]2CS1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.