Using CC(C)=CCCC(C)CC(O)c1c(O)c(Cl)c(C)c(C=O)c1O to produce Cc1c(Cl)c(O)c(C(O)CC(C)CCCC(C)C)c(O)c1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.