Using C1=COCCC1, COC(=O)CCCCCCC1=C[C@@H](O)CC1=O to produce COC(=O)CCCCCCC1=C[C@@H](OC2CCCCO2)CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.