Using CCCC(C)(C)C(=O)c1cc(OCc2ccc(OC)cc2)ccc1-c1cc(OC)ccc1F to produce CCCC(C)(C)Cc1cc(O)ccc1-c1cc(OC)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.