You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (E)-3-[2-fluoro-4-[[2-(1H-indol-4-yl)ethylamino]methyl]phenyl]-N-hydroxyprop-2-enamide is given. What is its corresponding molecular formula?
user
C20H20FN3O2
assistant