Using CC(=O)OCCCCO[C@H]1C=C[C@H]2[C@H]3Cc4ccc(OC(C)=O)c5c4[C@@]2(CCN3C)[C@H]1O5 to produce CC(=O)OCCCCO[C@H]1CC[C@H]2[C@H]3Cc4ccc(OC(C)=O)c5c4[C@@]2(CCN3C)C1O5, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.