Using O=C(Cn1ncc(Br)c(Br)c1=O)NCc1ccncc1, CC1C(O)CC2CC1C2(C)C to produce C[C@@H]1[C@H]2C[C@@H](C[C@H]1Oc1cnn(CC(=O)NCc3ccncc3)c(=O)c1Br)C2(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.