Using ClCc1ccc(Cl)nc1, COC(=O)c1[nH]c(=O)c2ccc(Br)cc2c1-c1ccccc1 to produce COC(=O)c1c(-c2ccccc2)c2cc(Br)ccc2c(=O)n1Cc1ccc(Cl)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.