Using OB(O)c1ccoc1, CON=Cc1ccc2c(c1)ncn2-c1cccc(Br)c1 to produce CON=Cc1ccc2c(c1)ncn2-c1cccc(-c2ccoc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.