Using CCC(Nc1ccc(C)c(Br)c1)c1ccc(Cl)c(C)c1, CN(C)C=O to produce CCC(Nc1ccc(C)c(C=O)c1)c1ccc(Cl)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.