Using Cc1cc(Br)cc2c(Cl)c(-c3ccccc3)c(Cl)nc12, CN(C)C=O to produce Cc1cc(C=O)cc2c(Cl)c(-c3ccccc3)c(Cl)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.