Using CCC1(C)Cc2c(C)c(Cl)c(C=O)c(C)c2C1, CC(C)=O to produce CCC1(C)Cc2c(C)c(Cl)c(C=CC(C)=O)c(C)c2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.