Using CN(C(=O)OC(C)(C)C)[C@H]1CC[C@H](C#CCCOC2CCCCO2)CC1 to produce CN(C(=O)OC(C)(C)C)[C@H]1CC[C@H](C#CCCO)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.