Using CC1(C)CCC(C)(C)c2cc(C(O)C#Cc3ccc(C(=O)O)cc3)ccc21 to produce CC1(C)CCC(C)(C)c2cc(CC#Cc3ccc(C(=O)O)cc3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.