Using COC(Cc1cccc(C#CCCCOc2ccc(Oc3ccccc3)cc2)c1)C(=O)O to produce COC(Cc1cccc(CCCCCOc2ccc(Oc3ccccc3)cc2)c1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.