Using CCCCCCCCCCCCCCOC(=O)C=C[C@]1(CO)CCC(=O)O1 to produce CCCCCCCCCCCCCCOC(=O)CC[C@@]1(CO)CCC(=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.