Using Nc1ccc2c(n1)-c1sc(-c3ncnn3-c3ccc(F)cc3F)cc1CCO2, CC(C)(C)OC(=O)CCBr to produce CC(C)(C)OC(=O)CNc1ccc2c(n1)-c1sc(-c3ncnn3-c3ccc(F)cc3F)cc1CCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.