You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,3-difluoro-6-nitroaniline;2-fluoro-6-nitro-3-piperidin-1-ylaniline;3-fluoro-4-piperidin-1-ylbenzene-1,2-diamine;piperidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C33H45F4N9O4
assistant