Using COc1cc(C(OS(=O)(=O)c2ccc(C)cc2)C(=O)c2ccc3c(c2)CCC(C)(C)O3)cc(OC)c1OC, [F-] to produce COc1cc(C(F)C(=O)c2ccc3c(c2)CCC(C)(C)O3)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.