Using c1ccc(-c2ccnc3c2ccc2c(-c4ccccc4)ccnc23)cc1, Brc1ccccc1 to produce c1ccc(-c2cc(-c3ccccc3)c3ccc4c(-c5ccccc5)ccnc4c3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.