Using OC1(CCCCCOCc2ccccc2)C[C@@H]2CC3(C[C@@H]2C1)OCCO3 to produce C1=C(CCCCCOCc2ccccc2)C[C@H]2CC3(C[C@@H]12)OCCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.