You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named potassium;4-fluoro-7-[4-(phenylmethoxy)phenyl]-1-benzofuran;pyrrolidine-2-carboxylic acid is given. What is its corresponding molecular formula?
user
C26H23FKNO4
assistant