Using COc1ccc(COc2c[nH]ccc2=O)cc1, Brc1cccc(Br)n1 to produce COc1ccc(COc2cn(-c3cccc(Br)n3)ccc2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.