Using Nc1nccn2c(C3CCC3)nc(-c3ccc(Br)cc3)c12, OB(O)c1cc2ccccc2s1 to produce Nc1nccn2c(C3CCC3)nc(-c3ccc(-c4cc5ccccc5s4)cc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.