Using C#Cc1ccc(C(CC)(CC)c2ccc(O)c(C)c2)cc1C, CCC(=O)CC to produce CCC(O)(C#Cc1ccc(C(CC)(CC)c2ccc(O)c(C)c2)cc1C)CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.