Using Cc1ccc(S(=O)(=O)OC[C@H]2C=Cc3ccccc3O2)cc1 to produce Cc1ccc(S(=O)(=O)OC[C@H]2CCc3ccccc3O2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.