You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule tert-butyl N-[(2S)-1-[2-chloro-5-fluoro-4-(furan-2-ylmethylamino)-7-(4-methoxyphenyl)pyrrolo[2,3-d]pyrimidin-6-yl]propan-2-yl]carbamate .
user
C26H29ClFN5O4
assistant