Using C=CCC1(CCCC)CCc2c(cc(F)c(OC)c2Cl)C1=O, O=C1C=CC(=O)C=C1 to produce CCCCC1(CC(C)=O)CCc2c(cc(F)c(OC)c2Cl)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.