Using OB(O)c1ccncc1, Fc1ccc(-c2nn3c(NC4CCCC4)cccc3c2Br)cc1 to produce Fc1ccc(-c2nn3c(NC4CCCC4)cccc3c2-c2ccncc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.