Using BrCc1ccccc1, COC(=O)c1n[nH]c2cccc(Cl)c2c1=O to produce COC(=O)c1nn(Cc2ccccc2)c2cccc(Cl)c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.