Using Cc1ccnc(Nc2cccc(-c3cnc(I)o3)n2)c1, OB(O)c1ccccc1 to produce Cc1ccnc(Nc2cccc(-c3cnc(-c4ccccc4)o3)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.