Using C=CC(C)(C)C(O)c1cc(C(=O)OC)ccc1-c1cc(OC)ccc1F to produce CCC(C)(C)C(O)c1cc(C(=O)OC)ccc1-c1cc(OC)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.