Using Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O, CCCCCCCCCBr to produce CCCCCCCCCO[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1n1cnc2c(N)ncnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.