Using CC(C)(C)OC(=O)N[C@H]1CCC[C@@H]1Nc1ncc(C(F)(F)F)nc1Br, CB(O)O to produce Cc1nc(C(F)(F)F)cnc1N[C@H]1CCC[C@@H]1NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.