Using COC(=O)NC(C(=O)O)C(C)C, Brc1ccc2cc(-c3cnc(C4CCCN4)[nH]3)ccc2c1 to produce COC(=O)NC(C(=O)N1CCCC1c1ncc(-c2ccc3cc(Br)ccc3c2)[nH]1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.