Using C=CCc1cc2c(cc1O)[C@@H]1CCC(=O)C[C@H]1O2 to produce CCCc1cc2c(cc1O)[C@@H]1CCC(=O)C[C@H]1O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.