You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[4-(2,5-dimethylfuran-3-carbonyl)piperazin-1-yl]-N-(2-fluorophenyl)propanamide is given. What is its corresponding molecular formula?
user
C20H24FN3O3
assistant