You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name tert-butyl 7-[4-(3-chloro-2-fluoro-4-hydroxyanilino)pyrido[3,4-d]pyrimidin-6-yl]-4,7-diazaspiro[2.5]octane-4-carboxylate ?
user
C24H26ClFN6O3
assistant