Using CCOC(=O)C1=CCC(C)(C)c2cc(C#Cc3ccc(CC(=O)OC)c(F)c3)ccc21 to produce CCOC(=O)C1=CCC(C)(C)c2cc(C#Cc3ccc(CC(=O)O)c(F)c3)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.